Question

A student earned a grade of 80% on a quiz that had 150 problems. How many problems did the

student answer correctly?
_______problems correct

Answer 1

120 problems

Explanation:

Given

`Problems = 150`

`Earnings = 80\%`

Required

Determine the number of questions

To do this, we simply multiply the earnings by the number of problems.

`Questions = Earnings * Problems`

This gives:

`Questions = 80\% * 150`

`Questions = 120`

The students answered 120 problems correctly