SOLUTION: if a girl has three tests done and the scores are 89, 76 and 82 how can she get her average to be an 80? create an inequality for this problem. solve this inequality.

Question 345714: if a girl has three tests done and the scores are 89, 76 and 82 how can she get her average to be an 80?
create an inequality for this problem.
solve this inequality.

Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
if a girl has three tests done and the scores are 89, 76 and 82 how can she get her average to be an 80?
create an inequality for this problem.
(89+76+82+x)/4 >= 80
-----------------------------
(247+x) >= 320
x >= 73
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Cheers,
Stan H.

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