SOLUTION: In the first 3 test Maria scored an average of 77 what does she need to score to make the average 79

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Question 783191: In the first 3 test Maria scored an average of 77 what does she need to score to make the average 79
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
In the first 3 test Maria scored an average of 77 what does she need to score to make the average 79
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Equation:
(3*77+x)/4 = 79
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231+x = 316
x = 85
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Cheers,
Stan H.
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