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Lesson 6-6: Using the Percent Proportion

The Percent Proportion: [pic] P = part, B = base OR [pic]

THE PERCENT ALWAYS GOES OVER 100!

[pic]

1) 48 is what percent of 52? 2) 295 is what percent of 400?

[pic]

3) What percent of 22 is 56? 4) What percent of 4 is 15?

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5) What is 99% of 840? 6) What is 4.5% of 38?

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7) Find 16% of 36.2. 8) 85 is 80% of what number?

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9) 60 is 29% of what number? 10) 4.5 is 90% of what number?

11) If 18 out of 25 students in Mrs. Garcia’s first period 12) The 2004 Boston Mayor’s Cup races boasted

class received A’s, what percent of the students the largest number of finishers in the history of

received A’s? Use the percent proportion to find the event with 825 finishers. 290 of the

your solution. finishers were from the youth division. What

percent of the finishers were NOT from the

youth division? Use the percent proportion to

find your solution. Round to the nearest tenth.

13) Trevor received a score of 96% on his social 14) Angela’s body fat percentage is 18.2%. If

studies test. If he answered 24 of the questions Angela weighs 145 pounds, how much of her

correctly, how many questions were on the test? weight comes from body fat? Use the percent

Use the percent proportion to find your solution. proportion to find your solution. Round to the

nearest pound.

15) The circle graph below shows the percent of students at Miller Middle School that own each type of tablet.

Use the circle graph to answer the questions below.

a. How many of the 1200 students at Miller Middle School

own an iPad mini?

b. How many of the 1200 students at Miller Middle School

own some type of iPad?

c. How many of the 1200 students at Miller Middle School own a Microsoft Surface tablet?

Write:

Answer the following question in complete sentences.

16) How could the percent proportion be used in real-world problems?

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base

part

base

part

percent

base

part

This is the same as “What is 16% of 36.2?”

percent

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