Percent Proportion

Which of the following proportions would you use to solve this problem?"What is 10% of 50?"

Which of the following proportions would you use to solve this problem?"5 is 10% of what number?"

Which of the following proportions would you use to solve this problem?"What percent of 50 is 5?"

Solve the following problem using a proportion.
18% of 30 is what number?

What number is 20% of 102?

• 204

• 122.4

• 20.4

• 20

Solve using the percent proportion: 
38% of 81 is what number?

• 33.81

• 30.78

• 31.2

• 38.81

Is a ratio that compares a number to 100.  It means "per 100" or "out of 100".

• Percent

• Ratio Table

• Unit Rate

• Rate

• 16

• 25

• 100

• 40

Last month, 15% of 140 phone calls that Nick received were from his mother. How many times did his mother call him?

• 33

• 933

• 2100

• 21

• 30

• 40

• 50

• 60