Percent Using Proportion

Use a proportion or equation to solve the following:

72 is what percent of 45?

What is the part?

• 14

• 25 or 0.25

• 56

What is the whole?

• 14

• 25 or 0.25

• 56

Use a proportion or equation to solve the following:

15 is 30% of what number?

Use a proportion or equation to solve the following:

25% of what number is 9?

Use a proportion or equation to solve the following:

What number is 50% of 150?

Use a proportion or equation to solve the following:

150% of what number is 24?

Out of 140 seventh graders, 15% earned the Presidential Physical Fitness Award. How many students earned the award?

Michael spent $210 on school supplies and books. This amount was 30% of his savings. How much was his savings?

• $700

• $63

• $630

• $763

A waitress recieved a 15% tip. If her tip was $8.25 how much was the bill?

• $1.23

• $55

• $16.50

• $1.24