SOLUTION: IF Freddy received an 83, 76, 70, 86,and 68 on his first 5 math test; what grade does he need to get pn the sixth test to make his average exactly 80
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Question 389315: IF Freddy received an 83, 76, 70, 86,and 68 on his first 5 math test; what grade does he need to get pn the sixth test to make his average exactly 80 Answer by mananth(16946) (Show Source):
You can put this solution on YOUR website! IF Freddy received an 83, 76, 70, 86,and 68 on his first 5 math test; what grade does he need to get pn the sixth test to make his average exactly 80
..
Total scores of 5 math tests = 403
assume he has to get x
average = 80
(403+x)/6 =80
multiply by 6
403 +x = 480
-403
x=480-403
x=77
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m.ananth@hotmail.ca
