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

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

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Question 458350: the mean of 4 test scores is 90. What is the sum of the scores?
Answer by richard1234(7193) (Show Source): You can put this solution on YOUR website!
We can call the test scores t_1, t_2, t_3 and t_4, and if the mean is 90, then

Multiplying both sides by 4,

So the sum of the test scores is 360.
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