Using the percent proportion 𝒊𝒔 𝒐𝒇 = % 𝟏𝟎𝟎

55% of 180 is what number? 𝑛 180 = 55 100 𝑛=99

What is 40% of 64? 𝑛 64 = 40 100 𝑛=25.6

What percent of 20 is 14? 14 20 = 𝑛 100 𝑛=70 70%

45 is 60% of what number? 45 𝑛 = 60 100 𝑛=75

What is 25% of 80? 𝑛 80 = 25 100 𝑛=20

What percent of 25 is 15? 15 25 = 𝑛 100 𝑛=60 60%

45% of what number is 90? 90 𝑛 = 45 100 𝑛=200

25% of what number is 30? 30 𝑛 = 25 100 𝑛=120

4 is what percent of 20? 4 20 = 𝑛 100 𝑛=20 20%

34 is 20% of what number? 34 𝑛 = 20 100 𝑛=170

12 is what percent of 30? 12 30 = 𝑛 100 𝑛=40 40%

15% of 60 is what number? 𝑛 60 = 15 100 𝑛=9

A store is selling t-shirts that cost $12 for 20% off A store is selling t-shirts that cost $12 for 20% off. What the discount? 𝑛 12 = 20 100 𝑛=2.4 The discount is $2.40

Demi got 15 out of 25 questions correct on her test Demi got 15 out of 25 questions correct on her test. What percent is this? 15 25 = 𝑛 100 𝑛=60 60%