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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

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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 original equation. 51 = p% 136 51 = 0.375 136 51 = 51

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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

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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.

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4. What percent of 55 is 11? ANSWER 20% GUIDED PRACTICE for Examples 2 and 3 Use the percent equation to answer the question.

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Find a part of a base using the percent equation EXAMPLE 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.

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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.

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