Chapter 6: Percents

42430_Cleaves_ch06 4/12/04 1:22 PM Page 177
(d) 83 1 83 1 250 % 1
% = % ÷ 100%
= × = 5 3 3
3 100 % 6
(e) 12 5 12 1 12 1 25 % 1
. % = % = % ÷ 100%
= × = 1 2 2
2 100 % 8
5
1
2
4
Convert to improper fraction.
Convert mixed decimal to
mixed number.
STOP and Check
Write the percent as a decimal.
1. 52%
0.52
2. 38.5%
0.385
3. 143%
1.43
4. 0.72%
0.0072
Write the percent as a fraction or mixed number.
5. 72%
18
25
6.
1
%
8
7. 325%
1
800
3 1 4
8.
16 2 3 %
1
6
6-1 Section Exercises
Skill Builders
Write the decimal as a percent.
1. 0.39
0.39 0.39 100% 39%
2. 0.693
0.693 0.693 100% 69.3%
3. 0.75
0.75 0.75 100% 75%
4. 0.2
0.2 0.2 100% 20%
5. 2.92
2.92 2.92 100% 292%
6. 0.0007
0.0007 0.0007 100% 0.07%
Write the fraction as a percent.
7.
39
100
39
100
39 100 %
= × = 39%
100 1
1
1
8.
3
4
3 100 %
× = 75%
4 1
1
25
9.
3 2 5
3 2 20
17 100 %
= × = 340%
5 5 1
1
10.
5 1 4
5 1 4
21 100 %
= × = 525%
4 1
1
25
11.
9
4
9
4
9 100 %
= × =
4 1
1
25
225%
12.
7
5
7 100 %
× = 140%
5 1
1
20
13.
2
300
2 100 %
× =
300 1
3
1
2
3
%
Percents 177