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If average test scores are 89 and then a sixth test score is 95 what is new average?
Wiki User
∙ 12y ago
V + W + X + Y + Z) / 5 = 89
(V + W + X + Y + Z + 95) / 6 = ?
89*5= the sum of the 5 test scores.
therefore, (445+95)/6 is the new average.
540/6=90. Your average test score is 90
Wiki User
∙ 12y ago
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5 test scores average 80 percent and What does the 6th quiz score have to be to raise the average to 83 percent?
If 5 scores average 80, their sum is 400.If 6 scores average 83, their sum will be 498.The sixth score must be (498 - 400) = 98% .
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