SOLUTION: sam has grades of 94 and 88 on his first two math tests. what possible scores on a third test will give him an average of 90

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Question 1142624: sam has grades of 94 and 88 on his first two math tests. what possible scores on a third test will give him an average of 90
Answer by ikleyn(52803) About Me  (Show Source):
You can put this solution on YOUR website!
.
%2894+%2B+88+%2B+x%29%2F3 = 90.


Solve for x.

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