Problems 1 – 5

Problems 6 – 10

Q $100

Q $200

Q $300

Q $400

Q $500

Q $100 Q $100

Q $400

Q $200 Q $200 Q $200

Q $500

Q $300 Q $300 Q $300

Q $400 Q $400

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Problems 11 – 14

Problems 15 – 17

$100 Question 1. Three students conduct the same survey about the number of 16 year old students who have a car are shown below. In which person’s survey did the most people have a car? a)Sara reported that 14 of the 47 people she surveyed had a car.

b)Erika reported that 29% of the people she surveyed had a car.

c)Lucy reported that 0.299 of the people she surveyed had a car.

$100 Answer

Lucy had the most

$200 Question

If a girl making $18 an hour gets a 15% raise, what is her new salary?

$200 Answer

$20.70

$300 Question

Which of the following is not equivalentto a 110% increase of $152? Explain.a)152 +152+152(.10)b)1.10(152)c)2(152) + .10(152)d)2.10(152)

$300 Answer

b. Because it doesn’t represent the whole amount, just the increase.

$400 QuestionWhich of the following is not equivalentto a 20% discount on an item that costs$35? Explain.a)35(1 –.8)b).2(35)c).8(35)d)35 –.8(35)

$400 Answer

c. Because that is the price you pay for the item, not the discount.

$500 Question

Jackets Unlimited buys jackets for $125.50. The store increases their purchase price by 55%? What is the sale price of the jacket?

$500 Answer

$194.53

$100 Question

Gas prices are projected to increase by 115% by March 2015. A gallon of gas currently costs $3.29. What is the projected cost of a gallon of gas for March 2015? 

$100 Answer

$3.78

$200 Question

A car dealer pays $13,237 for a new Mazda Miata but marks it up 15%. How much does the car cost a customer? How much profit does the car dealer make?

$200 Answer

The car costs $15,222.55The profit is $1,985.55

$300 Question

A sweater is marked down 35% off the original price. The original price was $33.93. What is the sale price of the sweater before sales tax?

$300 Answer

$22.05

$400 Question

A shirt is on sale for 40% off. The sale price is $19.50. What was the original price? What was the amount of the discount?

$400 Answer

Original price $32.50Discount $13.00

$500 Question

After eating at a restaurant, Mr. Herman’s bill before tax is $27.50 The sales tax rate is 6%. Mr. Herman decides to leave an 15% tip for the waiter based on the pre-tax amount. How much is the tip Mr. Herman leaves for the waiter? How much will the total bill be including tax and tip?

$500 Answer

Tip $4.13Total bill including tax and tip $33.28

$100 Question

A salesperson set a goal to earn $4,500 in May. She receives a base salary of $800 per month as well as a 12% commission for all sales in that month. How much merchandise will she have to sell to meet her goal?

$100 Answer

$30,833.33

$200 QuestionA salesperson receives a 19% commission of $29.30 on a sale of a vacuum cleaner. What is the total cost the customer paid for the vacuum cleaner?

$200 Answer

$154.21

$300 Question

Josie paid $34.75 for a pair of earrings. This amount includes a tax of 7%. What was the cost of the item before tax?

$300 Answer

$32.48

$400 Question

Anna invested $1,525 for 24 months. At the end of the 24 months, her investment was worth $1,750. What was the rate of simple interest that she received?

$400 Answer

7.4%

$500 Question

$500 Answer

$100 Question

$100 Answer

$200 Question

Carol borrowed $18,750 from the bank to buy a car. She borrowed the money for 5 years at a rate of 6.5%. What is the total amount that Carol has to pay the bank back?

$200 Answer

$24,843.75

$300 Question

Tina needs to purchase a carpet for her kitchen. Tina measured the area as 18.5 ft2. The actual measurement is 17.28 ft2. What is Tina’s percent error?

$300 Answer

+7%

$400 Question

At a track meet, you time a friend running 100 m in 18.25 seconds. The officials time her at 19.34 seconds. What is your percent error?

$400 Answer

-5.6%

$500 Question

$500 Answer from Scale Drawings

Final Jeopardy

Final Jeopardy Answer