Percent Proportion Find the Whole

Amanda has finished 9 problems on her math study guide. If this is 75% of the problems on her study guide, how many problems are on the entire study guide? Use a proportion to solve.

• 15 problems

• 12 problems

• 3 problems

• 69 problems

26 is 5% of what number?

• 3

• 5

• 25.95

• 520

Write a percent proportion and solve. 7 is 35% of what number?

• 5

• 25

• 20

Write a percent proportion and solve. 120 is 30% of what number?

• 400

• 600

• 50

26 is 5% of what number?

• 1.3

• 2.5

• 25.95

• 520

75% of what number is 15?

• 15

• 20

• 25

• 30

9 is 3% of what number?

• 3

• 30

• 300

• 3000

18 IS 45% OF WHAT NUMBER?

• 90

• 45

• 40

• 20

90 is 120% of what number?

• 108

• 75

• 118

• 55

There are 36 quarters in my coin collection. If my coin collection has 45% quarters, how many total coins do I have? Use a tape diagram to solve.

• 75%

• 80 %

• 75 coins

• 80 coins