SOLUTION: Fred scored 75,70,83,and 76 on 4 tests what would he need to score on the 5th test to have an 80 average

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Question 925367: Fred scored 75,70,83,and 76 on 4 tests what would he need to score on the 5th test to have an 80 average

Answer by TimothyLamb(4379) About Me  (Show Source):
You can put this solution on YOUR website!
(75+70+83+76+x)/5 = 80
304 + x = 80*5
x = 80*5 - 304
x = 96
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