SOLUTION: Joe has scores of 87, 83, and 90 on three tests. What is the lowest score he can get on the next test to have an average of 87.
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Question 998872: Joe has scores of 87, 83, and 90 on three tests. What is the lowest score he can get on the next test to have an average of 87.
Answer by Cromlix(4381) (Show Source): You can put this solution on YOUR website!
Hi there,
To achieve an average of 87 on
4 tests, Joe must score a total
of 87 x 4 = 348
87 + 83 + 90 = 260
348 - 260 = 88.
Joe must score at least 88 in
his 4th test to attain an overall
average of 87 for the 4 tests.
Hope this helps :-)
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