Lesson 7-3 for exercise sets. &KDSWHU 3UDFWLFH $FWLYLWLHVWrite each fraction or decimal as a percent.
- 2.0.003 3. 4.0.0092 5.
Write each percent as a decimal and as a fraction in simplest form.
6.750% 7.0.25% 8.185% 9.0.004% 10.150.5%11.Discuss and Write What percent is equal to the fraction?
What percent is equal to the fraction 5001? Explain.3
21
4008
54
1You can rename decimals less than 0.01 as percents.
Rename 0.007 as a percent.Method 1 Multiply by 100- To multiply by 100, move the decimal
point twoplaces to the right. - Write the percent symbol.
0.007 0.007 0.7%
So 0.007 is equivalent to 0.7%.Method 2 Rename as a Fraction0.007 10007 100 0.7 0.7%Method 1 Rename as a Decimal- Divide by the denominator to write the
equivalent decimal. - Write the decimal as a percent.
2001 ^1 ^200 0.005 0.0050.5%Rename 0.85% as a decimal.- To divide by 100, move the decimal point
twoplaces to the left. - Remove the percent symbol.
0.85% 0.0085
So 0.85% 0.0085.Rename 0.2% as a fraction.- Write as a fraction with a denominator of 100.
- Rewrite as an equivalent fraction with a
whole-number numerator.
0.2% So 0.2% 10002 5001.1
5002
10000.2 • 10
100 • 100.2
100You can rename fractions less than as percents.
Rename 2001 as a percent.1
100You can rename percents less than 1 as decimals or fractions.
Key Concept
Percents 1%
1% 0.01,
so decimals less than 0.01 and fractions
less than 1001 are less than 1%.1
100Method 2 Write a Proportion200 n 100 Cross multiply. Divide both sides by 200.n0.5, so 100 n 100 0.5 0.5%100
200200 n
2001
200n
100