Page 197 - Math Course 1 (Book 1)

Fractions, Decimals, and Percents

21 Compare Numbers
Express as a percent. Round to the nearest
17 SCHOOL
tenth percent, if necessary. 3
The school principal states that of the students
8
are involved in instrumental music while 42% are
involved in vocal music. Which group is larger?
A. 21.17%
B. 123.5% A. vocal music
B. instrumental music
C. 2117%
C. the groups are equal in size
D. 1.235% D. cannot be determined

Answer Answer

MO. 6 - L5c

Converting Percents to

Decimals

Key Concept
Express 7% as a decimal.

Percents to Decimals 7% = 07% Divide by 100 and remove the %.

= 0.07
• To write a percent as a decimal, divide by 100
and remove the percent symbol.
• To write a decimal as percent, multiply by 100
and the percent symbol. Answer 0.07

Express 658% as a decimal.
Let’s Begin
658% = 658% Divide by 100 and remove the %.

= 6.58
Percents as Decimals

Examples Answer 6.58

Express 60% as a decimal.
Express 0.4% as a decimal.
60% = 60% Divide by 100 and remove the %.
0.4% = 00.4% Divide by 100 and remove the %.
= 0.60
= 0.004

Answer 0.60 Answer 0.004

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