college algebra [qee-r 2012]

College Algebra

Lyle.. :)

Number and Consecutive Number Problems

Ans.: 6, 22, 16

Ans.: 58, 34, 10

Ans.: -28, -26, -24

Ans.: All Integers XD

Perimeter Problems

Ans.: W=16; L=28; S=44 Shorter wire: P = 88

Ans.: W = 10; L = 17

Ans.: W = 20; L = 32

Ans.: W = 8; L = 32

Distance, Rate, and Time Problems

Ans.: 9.5 mph; 24.5 mph

Ans.: 2.5 hours

Ans.: 54 mph; 72 mph; 432 miles

Ans.: 52 mph going south;72mph going north

Area and Volume Problems

Ans.: h = 4 cm; b = 5 cm

Ans.: b = 8 cm; h = 5 cm

Ans.: 5cm; 5cm; 2cm

Ans.: 12cm; 12cm; 4cm

Theorem of Pythagoras

Ans.: 8; 15; 17

Ans.: 3; 4; 5

Ans.: 16; 30; 34

Ans.: 10; 24; 26

http://www.algebra.com/algebra/homework/word/misc/College-Algebra-Word-Problems-by-Rapalje.lesson

Age Problems

Clock Problems

A certain two-digit number has a value that is three times the sum of its digits. Also, the units digit is one more than tree times the tens digit. Find the

number

Ans.: 27

A two-digit number is such that the product of its digits is 18. When 63 is

subtracted from the number, the digits interchange their positions. Find

the numbers.

Ans.: 92

The sum of the digits of a three-place number is 19. If the tens and units

digits are interchanged the number is diminished by 27, and if the hundreds and tens digits are interchanged the number is increased by 180. What is

the number?

Ans.: 685

It takes 15 minutes to boil an egg.How could you boil the egg having two

hourglasses that measure 7 and 11 minutes?