Question

If you get 17 out of 20 questions correct on your next test, what percent of the test you answer incorrectly?

Answer 1

Answer: 85%

Explanation:

You can use proportions to solve this answer.

17/20=x/100

Solve for X

17(100)/20=x

85=x

Answer 2

15% incorrect

Explanation:

17/20 = x/100

17 ×5= 85

20×5 = 100

85/100 correct

15/100 incorrect