Write decimal as percent.

Divide each side by 136.

Substitute 51 for a and 136 for b.

Write percent equation.

Find a percent using the percent equation

EXAMPLE 2

What percent of 136 is 51?

ANSWER 51 is 37.5% of 136.

0.375 = p%

37.5 = p%

51 = p% 136

a = p% b

Multiply. Solution checks.

Substitute 0.375 for p%.

Write original equation.

Find a percent using the percent equation

EXAMPLE 2

CHECK Substitute 0.375 for p% in the originalequation.

51 = p% 136

51 = 0.375 136

51 = 51

Multiply.

Write percent as decimal.

Substitute 15 for p and 88 for b.

Write percent equation.

Find a part of a base using the percent equation

EXAMPLE 3

What number is 15% of 88?

= 13.2

ANSWER 13.2 is 15% of 88.

a = p% b

= 15% 88

= 0.15 · 88

3. What percent of 56 is 49?

ANSWER 87.5%

GUIDED PRACTICE for Examples 2 and 3

Use the percent equation to answer the question.

4. What percent of 55 is 11?

ANSWER 20%

GUIDED PRACTICE for Examples 2 and 3

Use the percent equation to answer the question.

Find a part of a base using the percent equationEXAMPLE 3

5. What number is 45% of 92?

ANSWER 41.4

GUIDED PRACTICE for Examples 2 and 3

Use the percent equation to answer the question.

Find a part of a base using the percent equation

EXAMPLE 3

6. What number is 140% of 50?

ANSWER 70

GUIDED PRACTICE for Examples 2 and 3

Use the percent equation to answer the question.