Question

Alan got 72 questions correct on the last math exam. He got 85 questions correct this time. By what percent did the number of questions correct increase? (Round to the nearest whole percent)

A. 84%
B. 16%
C. 118%
D. 18%

Answer 1

D.

Explanation:

the difference between 85 and 72 is 13. 13 is 18% of 72.