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EXAMPLE 3 Writing a Percent as a Fraction 25 100 = = 1 4 = a % 325 100 = = 13 4 = 1 4 3 = b % 0.2 100 = = 2 1000 = 1 500 = c %

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EXAMPLE 4 Writing a Fraction as a Percent Survey The circle graph below shows the results of a survey of how 500 students prefer to spend their time.

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EXAMPLE 4 Writing a Fraction as a Percent What percent of students prefer to spend time with friends? a. What percent of those who didn’t answer “other” said “with friends”? b. 40 500 = p 100 40 353 = p 100 = p 4000 = p 4000 = p 8 = p 11.33 ANSWER 8% of all of the students prefer to spend time with friends. ANSWER About 11% of the selected group said “with friends.”

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GUIDED PRACTICE for Examples 3 and 4 Write the percent as a decimal and as a fraction in simplest form. = 1. 35% = .35 = 0.35 35 100 = 7 20

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GUIDED PRACTICE for Examples 3 and 4 Write the percent as a decimal and as a fraction in simplest form. 2. = 140% = 1.40 = 1.4 140 100 7 5 = 2 1

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GUIDED PRACTICE for Examples 3 and 4 Write the percent as a decimal and as a fraction in simplest form. 3. = 0.75% = .0075 = 75 10000 = 3 400 .75 100

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GUIDED PRACTICE for Examples 3 and 4 Write the percent as a decimal and as a fraction in simplest form. = 4. 12.12% = .1212 = 100 12.12 = 2500 303

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GUIDED PRACTICE for Examples 3 and 4 Write the decimal or fraction as a percent. = ( )% 5. 0.9 = 09. = 90%

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GUIDED PRACTICE for Examples 3 and 4 Write the decimal or fraction as a percent. 6. = ( )% 5.04 = 504. = 504%

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GUIDED PRACTICE for Examples 3 and 4 Write the decimal or fraction as a percent. 7. 1 20 = 0.05 = ( ) % = 05. = 5%

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GUIDED PRACTICE for Examples 3 and 4 Write the decimal or fraction as a percent. 8. 3 8 = = ( ) % = 37.5 = 37.5%

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