Question

To receive a grade of A on 80 question test 90% of the questions must be answered correctly what is the maximum number of questions that can't be missed to still receive an A

Answer 1

Explanation:

Total number of questions in the test is 80.

To receive a grade of A on the 80 question test, 90% of the questions must be answered correctly. It means that the number if questions that must be answered correctly would be

90/100 × 80 = 0.9 × 80 = 72.

Therefore, the maximum number of questions that can't be missed to still receive an A is 72