SOLUTION: In order to earn an A in a class your test scores must average at least 92%. On the first 6 tests u have an average of 91%. What score do you need to get on the last test to earn a

SOLUTION: In order to earn an A in a class your test scores must average at least 92%. On the first 6 tests u have an average of 91%. What score do you need to get on the last test to earn a

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Question 797498: In order to earn an A in a class your test scores must average at least 92%. On the first 6 tests u have an average of 91%. What score do you need to get on the last test to earn an A?
Answer by rfer(16322) (Show Source): You can put this solution on YOUR website!
(0.91*6+x)/7=0.92
5.46+x=0.92*7
5.46+x=6.44
x=6.44-5.46
x=0.98=98%
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