Asked by ryan montalvo
vina has the following grades in math 88,85,89,95 and 91.What must be her sixth grade if she wants to get an average of 90?
Answers
Answered by
Reiny
solve for x
(88+85+89+95+91+x)/6 = 90
(88+85+89+95+91+x)/6 = 90
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