SOLUTION: Olivia’s scores on five tests are 93, 89, 72, 80, and 96. What must the score be on her next test so that the average will be 88?
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Question 1046720: Olivia’s scores on five tests are 93, 89, 72, 80, and 96. What must the score be on her next test so that the average will be 88?
Answer by addingup(3677) (Show Source): You can put this solution on YOUR website!
(93+89+72+80+96+x)/6 = 88 Multiply both sides times 6:
93+89+72+80+96+x = 528
430+x = 528
x = 98 is the score she must get to have an average of 88
:
John
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