SOLUTION: If you have a 86 what will you need to have a 90 average?

Question 698233: If you have a 86 what will you need to have a 90 average?
Found 2 solutions by strawberrygirl183, rfer:
Answer by strawberrygirl183(35) (Show Source): You can put this solution on YOUR website!
4 more points
Answer by rfer(16322) (Show Source): You can put this solution on YOUR website!
(x+86)/2=90
x+86=90*2
x+86=180
x+180-86
x=94
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