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Mathematics 21 Online
OpenStudy (anonymous):

Jack took a test and got 13 out of 17 points. He took a make-up test and got 12 out of 15 points. The percent of increase in Jack's score is about _____? please explain it. I will give a medal to the best answer. Thanks a trillion. My brain is not working today aha.

OpenStudy (anonymous):

well do how much he got over how much was possible

OpenStudy (anonymous):

almost forgot a.3.5% b.4.6% c.5.9% d.6.7%

OpenStudy (ryguy):

the first time he got 76.47 %

OpenStudy (ryguy):

the second he got 80%

OpenStudy (anonymous):

76.47-80= answer

OpenStudy (ryguy):

divide 100 by the most he could get and then multiply that answer by what he got and you get the percentage

OpenStudy (anonymous):

thanks guys

OpenStudy (ryguy):

no problem

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