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7-2
Rename 12 % as a fraction.
12 %
So 12 % .
125 125
1000 125
125
1000
125
1000
1
8
1
2
1
8
12.5 • 10
100 • 10
12.5
100
1
2
1
1 2 Rename 14.5% as a decimal.
14.5% 0.145
So 14.5% 0.145
2
To rename a percent as a fraction:
- Write the percent as a fraction
with a denominator of 100.
45%
- Divide both terms by their GCF.
To rename a percent as a decimal:
- Remove the percent symbol.
To divide by 100, move the decimal
point twoplaces to the left.
45% 0.450.45
9
20
45 5
100 5
45
100
45
100
Write 0.5638 as a percent. Round
to the nearest tenth of a percent.
0.5638 0.5638% Multiply by 100.
56.4% Round.
Think
56.38%
56.38
100
5638
10,000
You can rename a decimal as a percent.
- Move the decimal point twoplaces to the right
to multiply by 100, and write the % sign.
or - Write the decimal as a fraction that has a denominator
of 100. Then write the numerator with a % sign.
So 209 and 0.45 represent the percent of Nina’s collection that are Kennedy half dollars.
Fractions, Decimals, Percents
Objective To write percents as fractions and decimals• To write fractions and decimals
as percents• To compare fractions, decimals, and percents
In Nina’s collection of half dollars, 25% are Walking Liberty, 30% are
Benjamin Franklin, and the rest are Kennedy half dollars. What fraction
and what decimal represent the percent that are Kennedy half dollars?
To answer the question, first add the given percents (the parts), and
then subtract their sum from 100% (the whole).
25% 30% 55% and 100% 55% 45%
So rename 45% as a fraction and as a decimal.
You can rename a percent as a fraction or as a decimal.
Rename 0.2 as a percent.
0.2 0.2020%
or
0.2 102 10 • 102 • 10 10020 20%
Write zeros
as needed.