A student got 20 problems correct on a quiz. On a second attempt, the student got 30 problems correct. What was the percent of increase?

asked Nov 19, 2018 82.2k views

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7 votes

50% increase. hope is helped

Emre Bener answered Nov 22, 2018

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3 votes

30-20=10 so he got 10 more right the second time then the first.
10/20=.5×100=50%
So there was a 50% increase

DrYap answered Nov 24, 2018

by DrYap

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