SOLUTION: if your test average is 88.5 for the first 4 tests you have taken, what score would it take to get the average up to 90 on your next test ? Please show me how to solve this !

Algebra ->  Average -> SOLUTION: if your test average is 88.5 for the first 4 tests you have taken, what score would it take to get the average up to 90 on your next test ? Please show me how to solve this !      Log On


   

Question 790306: if your test average is 88.5 for the first 4 tests you have taken, what score would it take to get the average up to 90 on your next test ? Please show me how to solve this !
Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
(x+4(88.5))/5=90
x+354=450
x=450-354
x=96