Page 478 - Basic College Mathematics with Early Integers

S E C T I O N 6.2 I SOLVING PERCENT PROBLEMS USING EQUATIONS 455

Concept Check Consider these problems.
1. 75% of 50 =
a. 50 b. a number greater than 50 c. a number less than 50

2. 40% of a number is 10. Is the number
a. 10? b. less than 10? c. greater than 10?
3. 800 is 120% of a number. Is the number
a. 800? b. less than 800? c. greater than 800?

Use the following to see if your answers are reasonable.
(100%) of a number = the number

a percent
a number greater
£greater than≥ of a number =
than the original number
100%
a percent a number less
a b of a number =
less than 100% than the original number

Concept Check Answers
1. c 2. c 3. b