SOLUTION: The mean of 4 test scores is 90. What is the sum of the scores

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Question 746964: The mean of 4 test scores is 90. What is the sum of the scores

Answer by jim_thompson5910(35256)   (Show Source): You can put this solution on YOUR website!
Let S = sum of all the scores

If the mean is 90 and there are 4 tests, then

S/4 = 90

4*(S/4) = 4*90

S = 360

So the sum of the scores is 360

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