MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. Write the following as an equation, using x for the unknown number. Then solve.

1)

Four times a number added to 9 times the number equals 39. Find the number.

1)

_______ A)

4(x + 9) = 39x; 1

B)

4x( 9 + x) = 39; 4.3 C)

4x + 9x = 39; 3

D)

4x - 9x = 39; -4.3 2)

When 3 times a number is subtracted from 7 times the number, the result is 28. Find the number.

2)

_______ A)

3x + 7x = 28; 4

B)

7x - 3x = 28; 7 C)

3x(7 - x) = 28; -7

D)

3(x - 7) = 28x; 1.2 3)

If 4 times a number is added to -9, the result is equal to 13 times the number. Find the number.

3)

_______ A)

4x + ( -9) = 13x; 1

B)

4x + ( -9) = 13x; -1 C)

17x - 13x = 9; 1

D)

13( 4x - 9) = -9; -1 4)

Three-fourths of a number is . Find the number in lowest terms.

4)

_______ A)

x = ;

B)

+ x = ; C)

x = ;

D)

x = ; 5)

The sum of four times a number and 1 is equal to the difference of twice the number and 2. Find the number.

5)

_______ A)

4(x + 1) = 2x - 2; - 3

B)

4x + 1 = 2x - 2; - C)

4x + 1 = 2x - 2;

D)

4x + 1 = 2x + 2;

Solve. 6)

The sum of four times a number and three is the same as the difference of twice the number and eleven. Find the number.

6)

_______ A)

4

B)

-17

C)

7

D)

-7 7)

The difference of triple a number and is equal to the sum of the number and . Find the number.

7)

_______ A)

B)

C)

-

D)

8)

If the sum of a number and two is doubled, the result is six less than three times the number. Find the number.

8)

_______ A)

10

B)

22

C)

D)

5 9)

Four times the difference of a number and one is equal to six times the sum of the number and three. Find the number.

9)

_______ A)

-7

B)

-11

C)

-2

D)

11

10)

Four times a number, added to -2, is 10. Find the number.

10)

______ A)

3

B)

12

C)

-3

D)

48

11)

Seven times a number, added to -7, is -14. Find the number.

11)

______ A)

-1

B)

-7

C)

-49

D)

1

12)

Three times the sum of some number plus 2 is equal to 7 times the number minus 22.

12)

______ A)

-7

B)

7

C)

-28

D)

28

13)

The difference of a number and 9 is the same as 35 less the number. Find the number.

13)

______ A)

22

B)

-13

C)

13

D)

-22

14)

Seven times some number added to 7 amounts to -1 added to the product of 3 and the number.

14)

______ A)

8

B)

2

C)

-8

D)

-2

15)

Four times the sum of a number and -88 is 44. Find the number.

15)

______ A)

-77

B)

99

C)

-11

D)

33

16)

A number subtracted from 13 is the quotient of -34 and 2. Find the number.

16)

______ A)

29

B)

-4

C)

81

D)

30

17)

The president of a certain university makes three times as much money as one of the department heads. If the total of their salaries is $210,000, find each worker's salary.

17)

______ A)

president's salary = $15,750; department head's salary = $5250 B)

president's salary = $105,000; department head's salary = $52,500 C)

president's salary = $157,500; department head's salary = $52,500 D)

president's salary = $52,500; department head's salary = $157,500

18)

30 marbles are to be divided into three bags so that the second bag has three times as many marbles as the first bag and the third bag has twice as many as the first bag. If x is the number of marbles in the first bag, find the number of marbles in each bag.

18)

______ A)

1st bag = 6 marbles; 2nd bag = 14 marbles; 3rd bag = 10 marbles B)

1st bag = 6 marbles; 2nd bag = 18 marbles; 3rd bag = 12 marbles C)

1st bag = 5 marbles; 2nd bag = 15 marbles; 3rd bag = 10 marbles D)

1st bag = 5 marbles; 2nd bag = 10 marbles; 3rd bag = 15 marbles

19)

A promotional deal for long distance phone service charges a $15 basic fee plus $0.05 per minute for all calls. If Joe's phone bill was $40 under this promotional deal, how many minutes of phone calls did he make? Round to the nearest integer, if necessary.

19)

______ A)

1100

B)

1

C)

500

D)

5

20)

Two angles are complementary if their sum is 90°. If the measure of the first angle is x°, and the measure of the second angle is (3x - 2)°, find the measure of each angle.

20)

______ A)

1st angle = 22°; 2nd angle = 64° B)

1st angle = 23°; 2nd angle = 67° C)

1st angle = 31°; 2nd angle = 59° D)

1st angle = 22°; 2nd angle = 68°

21)

A car rental agency advertised renting a luxury, full-size car for $29.95 per day and $0.39 per mile. If you rent this car for 3 days, how many whole miles can you drive if you only have $200 to spend.

21)

______ A)

16

B)

66

C)

282

D)

428

22)

A 6-ft. board is cut into 2 pieces so that one piece is 2 feet longer than 3 times the shorter piece. If the shorter piece is x feet long, find the lengths of both pieces.

22)

______ A)

shorter piece: 6 ft; longer piece: 20 ft B)

shorter piece: 3 ft; longer piece: 18 ft C)

shorter piece: 1 ft; longer piece: 5 ft D)

shorter piece: 16 ft; longer piece: 18 ft

23)

Mary and her brother John collect foreign coins. Mary has th re e ti mes the number of coins that John has. Together they have 120 foreign coins. Find how many coins Mary has.

23)

______ A)

90 coins

B)

84 coins

C)

18 coins

D)

30 coins

24)

Center City East Parking Garage has a capacity of 257 cars more than Center City West Parking Garage. If the combined capacity for the two garages is 1219 cars, find the capacity for each garage.

24)

______ A)

Center City East: 471 carsCenter City West: 748 cars

B)

Center City East: 481 carsCenter City West: 738 cars

C)

Center City East: 738 carsCenter City West: 481 cars

D)

Center City East: 748 carsCenter City West: 471 cars

25)

During an intramural basketball game, Team A scored 1 8 fewer points than Team B. Together, both teams scored a total of 1 4 4 points. How many points did Team A score during the game?

25)

______ A)

6 4 points

B)

8 1 points

C)

7 2 points

D)

6 3 points

26)

To trim the edges of a rectangular table cloth, 48 feet of lace are needed. The length of the table cloth is exactly one-half its width. What are the dimensions of the table cloth?

26)

______ A)

length: 16 ft; width: 8 ft

B)

length: 8 ft; width: 16 ft C)

length: 4 ft; width: 8 ft

D)

length: 16 ft; width: 32 ft

27)

The length of a rectangular room is 7 feet longer than twice the width. If the room's perimeter is 158 feet, what are the room's dimensions?

27)

______ A)

Width = 36 ft; length = 43 ft

B)

Width = 24 ft; length = 55 ft C)

Width = 48 ft; length = 110 ft

D)

Width = 29 ft; length = 65 ft

28)

The perimeter of a triangle is 52 centimeters. Find the lengths of its sides, if the longest side is 5 centimeters longer than the shortest side, and the remaining side is 2 centimeters longer than the shortest side.

28)

______ A)

10 cm, 13 cm, 15 cm

B)

17 cm, 19 cm, 22 cm C)

15 cm, 17 cm, 22 cm

D)

15 cm, 17 cm, 20 cm

29)

Mario's front patio is in the shape of a trapezoid with a height of 44 feet. The longer base is 5 feet longer than the shorter base, and the area of the patio is 8800 square feet. Find the length of each base of the trapezoidal patio.

29)

______ A)

197.5 ft; 202.5 ft

B)

395 ft; 405 ft C)

197.5 ft; 197.5 ft

D)

97.5 ft; 102.5 ft

30)

In a recent International Gymnastics competition, the U.S., China, and Romania were the big winners. If the total number of medals won by each team are three consecutive integers whose sum is 99 and the U.S. won more than China who won more than Romania, how many medals did each team win?

30)

______ A)

U.S.: 101 medals; China: 100 medals; Romania: 99 medals B)

U.S.: 32 medals; China: 31 medals; Romania: 30 medals C)

U.S.: 35 medals; China: 34 medals; Romania: 33 medals D)

U.S.: 34 medals; China: 33 medals; Romania: 32 medals

31)

The sum of three consecutive integers is 417. Find the numbers.

31)

______ A)

138, 139, 140

B)

139, 140, 141 C)

137, 138, 139

D)

137, 139, 141

32)

The house numbers of two adjacent homes are two consecutive even numbers. If their sum is 326, find the house numbers.

32)

______ A)

161, 163

B)

163, 165

C)

162, 164

D)

162, 324

33)

The code to unlock a safety deposit box is three consecutive odd integers whose sum is 99. Find the integers.

33)

______ A)

33, 35, 37

B)

33, 34, 35

C)

31, 33, 35

D)

32, 34, 36

Substitute the given values into the formula and solve for the unknown variable. 34)

d = rt; t = 2, d = 14

34)

______ A)

0.1

B)

7

C)

12

D)

16

35)

P = 2L + 2W; P = 26, W = 4

35)

______ A)

9

B)

13

C)

22

D)

11

36)

V = Ah; V = 21, h = 3

36)

______ A)

63

B)

24

C)

7

D)

21

37)

I = prt; I = 21.6, p = 270, r = 0.04

37)

______ A)

233.28

B)

0.2

C)

2

D)

2.3328

38)

A = (B + b)h; A = 129.5, b = 20, B = 17

38)

______ A)

340

B)

18

C)

111

D)

7

39)

Use the formula F = C + 32 to convert -10°C to degrees Fahrenheit.

39)

______ A)

14°F

B)

-23.4°F

C)

12.2°F

D)

-50°F

40)

Use the formula C = (F - 32) to convert 176°F to degrees Celsius.

40)

______ A)

115.6°C

B)

65.8°C

C)

348.8°C

D)

80°C

Solve. 41)

You have taken up gardening for relaxation and have decided to fence in your new rectangular shaped masterpiece. The length of the garden is 12 meters and 38 meters of fencing is required to completely enclose it. What is the width of the garden?

41)

______ A)

456 m

B)

3.17 m

C)

14 m

D)

7 m

42)

Ted drove to his grandparents' house for a holiday weekend. The total distance (one-way) was 357 miles and it took him 7 hours. How fast was Ted driving? (Round answer to the nearest whole number)

42)

______ A)

250 mph

B)

51 mph

C)

20 mph

D)

25 mph

43)

Sally is making a cover for a round table. When finished, the cover will fit exactly with no excess hanging off. Sally has to cut the fabric circle with a 4 inch larger diameter than the table to allow for hemming. If the table has a diameter of 58 inches, how much fabric does Sally need? (Use 3.14 for π. Round to 2 decimal places.)

43)

______ A)

11,304 sq in.

B)

3017.54 sq in. C)

12,070.16 sq in.

D)

3419.46 sq in.

44)

How much would an initial bank deposit need to be in order to earn $2500 at 16% for 3 years? (Round to the nearest dollar.)

44)

______ A)

$1200

B)

$52

C)

$5208

D)

$120,000

45)

How long would it take to drive 900 kilometers if your average rate of speed was 60 kilometers per hour? .

45)

______ A)

15 hr

B)

96 hr

C)

16 hr

D)

540 hr

46)

Nathan invested his $ 3000 poker winnings in a 3 year Certificate of Deposit at a rate of 0.03. Use the formula I = Prt to find the amount of interest Nathan's investment will earn.

46)

______ A)

$ 3,270

B)

$ 3,090

C)

$ 270

D)

$ 90

47)

You have a cylindrical cooking pot whose radius is 6 inches and whose height is 7 inches. How many full cans of soup will fit into the pot if each can has holds 20 cubic inches of soup? Use 3.14 as an approximation for π.

47)

______ A)

39 cans of soup

B)

12 cans of soup C)

13 cans of soup

D)

40 cans of soup

48)

The volume of a sphere with radius r is given by the formula Find the volume of a sphere with radius 3 meters. Use 3.14 for the value of π .

48)

______ A)

113.04 sq m

B)

36 sq m C)

339.12 sq m

D)

37.68 sq m

49)

Find the height of a right circular cylinder whose volume is 48π cubic feet and whose radius is 4 feet.

49)

______ A)

3 ft

B)

9 ft

C)

4 ft

D)

12 ft

Solve the formula for the specified variable. 50)

d = rt for t

50)

______ A)

t =

B)

t = d r

C)

t = d - r

D)

t =

51)

I = Prt for t

51)

______ A)

t =

B)

t = P - I r

C)

t =

D)

t =

52)

A = bh for h

52)

______ A)

h =

B)

h =

C)

h =

D)

h =

53)

V = Ah for h

53)

______ A)

h =

B)

h =

C)

h =

D)

h =

54)

P = a + b + c for b

54)

______ A)

b = P + a - c

B)

b = P - a - c C)

b = P + a + c

D)

b = a + c - P

55)

P = 2L + 2W for L

55)

______ A)

L = P - 2 W

B)

L = P - W C)

L =

D)

L =

56)

A = P + PRT for R

56)

______ A)

R =

B)

R = C)

R =

D)

R =

57)

A = h(B + b) for b

57)

______ A)

b =

B)

b = C)

b = 2A - Bh

D)

b =

58)

F = C + 32 for C

58)

______ A)

C = (F - 32)

B)

C = C)

C =

D)

C = (F - 32)

59)

S = 2πrh + 2πr2 for h

59)

______ A)

h = - 1

B)

h = C)

h = S - r

D)

h = 2π(S - r)

Solve. Round all amounts to one decimal place. 60)

What number is 89% of 272?

60)

______ A)

2421

B)

24.2

C)

242.1

D)

24,210

61)

73 is 20% of what number?

61)

______ A)

365

B)

14.6

C)

36.5

D)

3650

62)

30% of what number is 60?

62)

______ A)

18

B)

20

C)

200

D)

2000

63)

150 is what percent of 96?

63)

______ A)

156.3%

B)

15.6%

C)

64%

D)

1.6%

64)

60% of what number is 70?

64)

______ A)

42

B)

1167

C)

11.7

D)

116.7

The circle graph below shows the number of pizzas consumed by college students in a typical month. Use the graph to answer the question.

65)

What percent of college students do not consume any pizza in a typical month?

65)

______ A)

5%

B)

34%

C)

18%

D)

2%

66)

If State University has approximately 48,000 students, about how many would you expect to consume 5-6 pizzas in a typical month?

66)

______ A)

8640 students

B)

16,320 students C)

1632 students

D)

864 students

Solve. If needed, round money amounts to two decimal places and all other amounts to one decimal place.

67)

Sales at a local ice cream shop went up 40% in 5 years. If 29,000 ice cream cones were sold in the current year, find the number of ice cream cones sold 5 years ago. (Round to the nearest integer, if necessary.)

67)

______ A)

17,400 ice cream cones

B)

11,600 ice cream cones C)

72,500 ice cream cones

D)

20,714 ice cream cones

68)

Attendance this year at the homecoming football game is 142% of what it was last year. If last year's homecoming football game attendance was 26,000, what is this year's attendance? (Round to the nearest integer, if necessary.)

68)

______ A)

183 people

B)

5462 people C)

36,920 people

D)

369,200 people

69)

Of the 100 students in an algebra class, 9 of them received an F on the mid-term exam. What percent of the algebra students received an F on the exam? (Round to the nearest tenth of a percent, if necessary.)

69)

______ A)

90%

B)

111.1%

C)

9%

D)

11.1%

70)

10% of students at a university attended a lecture. If 7000 students are enrolled at the university, about how many students attended the lecture?

70)

______ A)

700 students

B)

7000 students C)

70 students

D)

70,000 students

71)

The population of a town is currently 40,000. This represents an increase of 40% from the population 5 years ago. Find the population of the town 5 years ago. Round to the nearest whole number if necessary.

71)

______ A)

28,571

B)

16,000

C)

24,000

D)

100,000

72)

Students at Maple School earned $ 276 selling candles. They want to accumulate for a club trip. What percent of their goal has been reached?

72)

______ A)

13.8%

B)

7%

C)

70%

D)

0. 138%

73)

Jeans are on sale at the local department store for 25% off. If the jeans originally cost $64, find the sale price.

73)

______ A)

$62.40

B)

$48.00

C)

$16.00

D)

$80.00

74)

The local clothing store marks up the price that it pays to the clothing manufacturer by 25%. If the selling price of a pair of jeans is $114, how much did the clothing store pay for the jeans?

74)

______ A)

$91.20

B)

$142.50

C)

$32.57

D)

$152.00

75)

A store is advertising off sale on everything in the store. Find the discount of a painting that regularly sells for

75)

______ A)

$ 56.00

B)

$ 5.60

C)

$ 224.00

D)

$ 274.40

76)

A store is advertising off sale on everything in the store. Find the discount of a sofa that regularly sells for

76)

______ A)

$ 2885.50

B)

$ 2755.00

C)

$ 145.00

D)

$ 14.50

77)

A store is advertising a off sale on all new DVD releases. Find the sale price of a newly released DVD collectors set that regularly sells for $ 55.00.

77)

______ A)

$ 2.75

B)

$ 54.73

C)

$ 52.25

D)

$ 0.28

78)

An automobile dealership recently reduced the price of a used sports car by 23%. If the price of the car was $ 41,700.00, find the sale price.

78)

______ A)

$ 959.10

B)

$ 32,109.00 C)

$ 9591.00

D)

$ 40,740.90

79)

A store is advertising off sale on everything in the store. Find the sale price of a painting that regularly sells for

79)

______ A)

$ 221.00

B)

$ 3.90

C)

$ 39.00

D)

$ 2561.00

80)

Due to a lack of funding, the number of students enrolled at City College went from 7000 last year to 4000 this year. Find the percent decrease in enrollment.

80)

______ A)

42.9%

B)

175%

C)

57.1%

D)

75%

81)

A company increased the number of its employees from 140 to 215. What was the percent increase in employees?

81)

______ A)

53.6%

B)

60.6%

C)

65.1%

D)

34.9%

82)

The number of video stores in a region recently decreased from 89 to 72. Find the percent decrease.

82)

______ A)

423.5%

B)

23.6%

C)

19.1%

D)

80.9%

83)

Ming got a 15% raise in her salary from last year. This year she is earning $ 155,250. How much did she make last year?

83)

______ A)

$ 20,250

B)

$ 135,000 C)

$ 2,328,750

D)

$ 10,350

84)

Because of budget cutbacks, MaryAnn was required to take a 18% pay cut. If she earned $28,000 before the pay cut, find her salary after the pay cut.

84)

______ A)

$2296

B)

$27,496 C)

$27,949.60

D)

$22,960

85)

How much pure acid should be mixed with 9 gallons of a 50% acid solution in order to get an 80% acid solution?

85)

______ A)

36 gal

B)

13.5 gal

C)

22.5 gal

D)

4.5 gal

86)

The owners of a candy store want to sell, for $6 per pound, a mixture of chocolate-covered raisins, which usually sells for $3 per pound, and chocolate-covered macadamia nuts, which usually sells for $8 per pound. They have a barrel of the raisins. How many pounds of the nuts should they mix with the barrel of raisins so that they hit their target value of $6 per pound for the mixture?

86)

______ A)

90 lb

B)

84 lb

C)

96 lb

D)

78 lb

87)

A chemist needs 100 milliliters of a 76% solution but has only 55% and 85% solutions available. Find how many milliliters of each that should be mixed to get the desired solution.

87)

______ A)

60 ml of 55%; 40 ml of 85%

B)

70 ml of 55%; 30 ml of 85% C)

30 ml of 55%; 70 ml of 85%

D)

40 ml of 55%; 60 ml of 85%

88)

The manager of a coffee shop has one type of coffee that sells for $8 per pound and another type that sells for $11 per pound. The manager wishes to mix 90 pounds of the $11 coffee to get a mixture that will sell for $10 per pound. How many pounds of the $8 coffee should be used?

88)

______ A)

45 pounds

B)

22.5 pounds C)

67.5 pounds

D)

135 pounds

89)

At a gourmet nut shop, nuts are sold in bulk. Cashews sell for per pound and macadamia nuts sell for per pound. Lee wishes to purchase 5 pounds of mixed nuts by mixing 3.5 pounds of cashews and 1.5 pounds of macadamia nuts. What will be the price per pound of the mixture?

89)

______ A)

$ 6.28

B)

$ 16.88

C)

$ 31.38

D)

$ 3.38

90)

The radiator in a certain make of car needs to contain of 40% antifreeze. The radiator now contains of 20% antifreeze. How many liters of this solution must be drained and replaced with 100% antifreeze to get the desired strength?

90)

______ A)

12.5 L

B)

25 L

C)

20 L

D)

16.7 L

Solve. 91)

A motorcycle traveling at 70 miles per hour overtakes a car traveling at 40 miles per hour that had a three-hour head start. How far from the starting point are the two vehicles?

91)

______ A)

280 mi

B)

7 mi

C)

4 mi

D)

76 mi

92)

Linda and Dave leave simultaneously from the same starting point biking in opposite directions. Linda bikes at 5 miles per hour and Dave bikes at 8 miles per hour. How long will it be until they are 20 miles apart from each other?

92)

______ A)

1 hr

B)

hr

C)

hr

D)

6 hr

93)

Jeff starts driving at 65 miles per hour from the same point that Lauren starts driving at 40 miles per hour. They drive in opposite directions, and Lauren has a half-hour head start. How long will they be able to talk on their cell phones that have a 480-mile range?

93)

______ A)

4 hr

B)

4 hr

C)

4 hr

D)

4 hr

94)

Alexander and Judy are 31 miles apart on a calm lake paddling toward each other. Alexander paddles at 5 miles per hour, while Judy paddles at 8 miles per hour. How long will it take them to meet?

94)

______ A)

1 hr

B)

18 hr

C)

10 hr

D)

2 hr

95)

On a road trip, five friends drove at 50 miles per hour to California. On the way home, they took the same route but drove 65 miles per hour. How many miles did they drive on the way to California if the round trip took 10 hours?

95)

______ A)

565 mi

B)

2166 mi C)

282 mi

D)

5 mi

96)

Dave can hike on level ground 3 miles an hour faster than he can on uphill terrain. Yesterday, he hiked 29 miles, spending 2 hours on level ground and 5 hours on uphill terrain. Find his average speed on level ground.

96)

______ A)

3 mph

B)

4 mph

C)

6 mph

D)

6 mph

Solve the problem. 97)

Sue took her collection of nickels and dimes to deposit in the bank. She has five fewer nickels than dimes. Her total deposit was $ 55.40. How many dimes did she deposit?

97)

______ A)

366 dimes

B)

376 dimes C)

737 dimes

D)

371 dimes

98)

A convenience store employee is counting $10 and $20 bills. If there are six times as many as and the total amount is $1760, find the number of each type of bill.

98)

______ A)

132 $20 bills; 22 $10 bills

B)

22 $20 bills; 132 $10 bills C)

22 $20 bills; 6 $10 bills

D)

132 $20 bills; 6 $10 bills

99)

Devon purchased tickets to an air show for 7 adults and 2 children. The total cost was . The cost of a child's ticket was less than the cost of an adult's ticket. Find the price of an adult's ticket and a child's ticket.

99)

______ A)

adult's ticket: $ 12; child's ticket: $ 4 B)

adult's ticket: $ 11; child's ticket: $ 3 C)

adult's ticket: $ 14; child's ticket: $ 6 D)

adult's ticket: $ 13; child's ticket: $ 5

100)

On a buying trip in Los Angeles, Rosaria Perez ordered 120 pieces of jewelry: a number of bracelets at $10 each and a number of necklaces at $12 each. She wrote a check for $1300 to pay for the order. How many bracelets and how many necklaces did Rosaria purchase?

100)

_____ A)

80 bracelets and 40 necklaces

B)

75 bracelets and 45 necklaces C)

65 bracelets and 55 necklaces

D)

70 bracelets and 50 necklaces

101)

Jon throws all his nickels and dimes in a jar at home each day. He counted all his coins one day and found that he had collected $42.35. If there were five times as many nickels as dimes, how many of each coin does he have?

101)

_____ A)

121 dimes; 5 nickels

B)

605 dimes; 121 nickels C)

605 dimes; 600 nickels

D)

121 dimes; 605 nickels

Solve. 102)

Kevin invested part of his $10,000 bonus in a certificate of deposit that paid 6% annual simple interest, and the remainder in a mutual fund that paid 11% annual simple interest. If his total interest for that year was $900, how much did Kevin invest in the mutual fund?

102)

_____ A)

$7000

B)

$4000

C)

$5000

D)

$6000

103)

How can $42,000 be invested, part at 4% annual simple interest and the remainder at 10% annual simple interest, so that the interest earned by the two accounts is equal at the end of the year?

103)

_____ A)

$12,000 invested at 4%; $30,000 invested at 10% B)

$20,000 invested at 4%; $22,000 invested at 10% C)

$30,000 invested at 4%; $12,000 invested at 10% D)

$22,000 invested at 4%; $20,000 invested at 10%

104)

Melissa invested a sum of money at 3% annual simple interest. She invested three times that sum at 5% annual simple interest. If her total yearly interest from both investments was $7200, how much was invested at 3%?

104)

_____ A)

$30,000

B)

$90,000

C)

$40,000

D)

$270,000

105)

If $2000 is invested at 10% simple annual interest, how much should be invested at 12% annual simple interest so that the total yearly income from both investments is $5000?

105)

_____ A)

$4000

B)

$4760

C)

$47,600

D)

$40,000

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