Proportions Models
Model & Proportion
Proportions
Real-Life Word Problems
100
75% of 250 is what number?
187.5
100

Draw a double number line and write the percent proportion:

63 is 75% of what number?

84

100
5 is 12% of what number?
41.7
100

Mr. Rawr's class has 25 students, and 5 of them have a pet dog. What percent of the students have a pet dog?

20%

200
541 people is 25% of what number?
2,164
200

Draw a double number line and write the percent proportion:

20 is 40% of what number?

50

200
7 is what percent of 45?
15.6%
200

Damon is shopping for a new backpack. The original price of the backpack is $40, but it is on sale for 25% off. How much money is Damon saving on the backpack?

Hint: Use the proportion:

Damon saved $10.

300

75% of of 564 is what number?

423
300

Draw a double number line and write the percent proportion:

What number is 45% of 80?

36

300
80% of what number is 55?
68.75
300

Edith is shopping for a new backpack. The original price of the backpack is $40, but it is on sale for 25% off. How much money is Edith saving on the backpack?

$56.16

400
What percent of 240 is 144?
60%
400

Draw a double number line and write the percent proportion:

34 is what percent of 85?

40%

400
32 is 60% of what number?
53.3333333
400

Traner Middle School's enrollment is currently 600 total students.  The ratio of girls to boys is 12:10.


What percent of the student population are girls?

54.5%

500
What percent of 52.5 is 10.5?
20%
500

Draw a double number line and write the percent proportion:

What percent of 135 is 108?

80%

500
What percent of 416 is 98?
23.56
500

Johanna is buying a new jacket that originally costs $120. The store is having a 40% off sale, and there is an additional 10% sales tax applied to the discounted price. However, Johanna also has a $5 coupon that can be used after the discount but before tax. How much will she pay in total after the discount, coupon, and tax?

$73.70

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