Percent Using Proportion

On a 50 question test, Danielle answered 78% of the questions correctly. How many questions did she get wrong?

• 39

• 11

• 28

• 78

75% of students in Grace's class are 60 inches or taller. If there are 20 students in the class, how many are 60 inches or taller?

• 15

• 5

• 7

• 12

Eric earned 60 points on his last test. If there were 75 possible points, what was his percent grade?

• 20%

• 40%

• 60%

• 80%

Dr. Hall files 320 insurance claims every month. If 5% of those claims are rejected, how many claims are rejected? 

• 15

• 64

• 16

• 56

Jennifer has a coupon for 25% off her entire meal of $17.89. What is the discount?

• $13.42

• $4.47

• $4.48

• $0.44

The sales tax on a new car is $979.60. The car sold for $15,800. What is the sales tax rate?

• 5%

• 0.62

• 6.2%

• 62%

What number is 120% of 40?

22% of 70 is what number?

12% of what number is 18?