SOLUTION: first 3 tests of the semester, you earned a total of 252 points. What score do you need to get on your fourth test to have a mean score of 85?

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Question 874157: first 3 tests of the semester, you earned a total of 252 points. What score do you need to get on your fourth test to have a mean score of 85?
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
(252 + x)/4 = 85
x = 340-252