college algebra [qee-r 2012]
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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?