SOLUTION: if your average in the first 7th quizzes is 72% and the passing grade is 75%, what grade should you get in the 8th quiz to get a passing average?

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Question 894468: if your average in the first 7th quizzes is 72% and the passing grade is 75%, what grade should you get in the 8th quiz to get a passing average?
Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
(7*0.72+x)/8=0.75
5.04+x=0.75*8
x=6-5.04
x=0.96=96%