SOLUTION: Ken got scores of 95,89,85. What must he score on his next test to average90?

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Question 746621: Ken got scores of 95,89,85. What must he score on his next test to average90?
Answer by Cromlix(4381) About Me  (Show Source):
You can put this solution on YOUR website!
95 + 89 + 85 = 269
90 x 4 = 360
360 - 269 = 91
He must score 91 for
his average to be 90