Finding a Percent of a Number

1
Finding a Percent of a Number
COURSE 2 LESSON 6-4
Find each answer.
a. 15 of 40
Method 1   Write 15 as a fraction and
multiply.
Method 2   Write 15 as a decimal and multiply.
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2
Finding a Percent of a Number
COURSE 2 LESSON 6-4
(continued)
b. 80 of 460
Method 1   Write 80 as a fraction and
multiply.
Method 2   Write 80 as a decimal and multiply.
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3
Finding a Percent of a Number
COURSE 2 LESSON 6-4
There are 25 students in a class. 20 of them
have green eyes. How many have green eyes?
Five students in the class have green eyes.
Check for Reasonableness  The answer 5 is close
to the estimate 6. The answer is reasonable.
6-4