EXAMPLE 3 Writing a Percent as a Fraction

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EXAMPLE 3 Writing a Percent as a Fraction 25 = = 100 a. 25%

EXAMPLE 3 Writing a Percent as a Fraction 25 = = 100 a. 25% b. 325% = 325 100 c. 0. 2% = 100 25 25 100 25 = 1 4 = 325 100 25 25 = 13 4 = 0. 2 10 10 = 2 = 1000 = 3 1 4 1 500

EXAMPLE 4 Writing a Fraction as a Percent Survey The circle graph below shows

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.

EXAMPLE 4 a. Writing a Fraction as a Percent What percent of students prefer

EXAMPLE 4 a. Writing a Fraction as a Percent What percent of students prefer to spend time with friends? p 40 500 = 100 4000 = 8 = b. What percent of those who didn’t answer “other” said “with friends”? p 40 353 = 100 500 p 4000 = 353 p p 11. 33 = p ANSWER 8% of all of the students prefer to spend time with friends. ANSWER About 11% of the selected group said “with friends. ”

GUIDED PRACTICE for Examples 3 and 4 Write the percent as a decimal and

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 7 35 = 100 20 100

GUIDED PRACTICE for Examples 3 and 4 Write the percent as a decimal and

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

for Examples 3 and 4 GUIDED PRACTICE Write the percent as a decimal and

for Examples 3 and 4 GUIDED PRACTICE Write the percent as a decimal and as a fraction in simplest form. 3. 0. 75% = 0. 75 100 =. 0075 = 0. 0075. 75 = 3 10000 100 400

GUIDED PRACTICE for Examples 3 and 4 Write the percent as a decimal and

GUIDED PRACTICE for Examples 3 and 4 Write the percent as a decimal and as a fraction in simplest form. 4. 12. 12% = 12. 12 =. 1212 = 0. 1212 12. 12 303 = 100 2500 100

GUIDED PRACTICE for Examples 3 and 4 Write the decimal or fraction as a

GUIDED PRACTICE for Examples 3 and 4 Write the decimal or fraction as a percent. 5. 0. 9 = (0. 9 = 09. = 90% 100)%

GUIDED PRACTICE for Examples 3 and 4 Write the decimal or fraction as a

GUIDED PRACTICE for Examples 3 and 4 Write the decimal or fraction as a percent. 6. 5. 04 = (5. 04 = 504% 100)%

GUIDED PRACTICE for Examples 3 and 4 Write the decimal or fraction as a

GUIDED PRACTICE for Examples 3 and 4 Write the decimal or fraction as a percent. 7. 1 = 0. 05 20 = (0. 05 = 05. = 5% 100) %

GUIDED PRACTICE for Examples 3 and 4 Write the decimal or fraction as a

GUIDED PRACTICE for Examples 3 and 4 Write the decimal or fraction as a percent. 8. 3 = 0. 375 8 = (0. 375 100) % = 37. 5%