math
posted 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?

solve for x
(88+85+89+95+91+x)/6 = 90
posted 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?
solve for x
(88+85+89+95+91+x)/6 = 90