A student earned a grade of 80% on a math test that had 20 problems. How many problems on this test did the student answer correctly?

1 Answer
Jun 18, 2017

16

Explanation:

First you convert 80% into a decimal which is .80 then you multiply it by 20.

.80xx20=16

We multiply it by 20 because that's our total and by .80 because that's the amount that we got correct. Had it been 100% then that would mean we got every question right.