nyierah99 nyierah99

20-01-2017
Mathematics

contestada

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?

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ferretgirl02 ferretgirl02

20-01-2017

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

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larissakaet16 larissakaet16

02-08-2018

50% increase. hope is helped

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