SOLUTION: Quinn's test scores are 95,90,and 83.what must he score on his next test to have an average test score of 90 on the four tests ?

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Question 868696: Quinn's test scores are 95,90,and 83.what must he score on his next test to have an average test score of 90 on the four tests ?
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
%2895%2B90%2B83%2Bx%29%2F4+=+90
x = 360 - 95 - 90 - 83