Question 987898: Aldo has scored
83
,
69
,
92
,
92
, and
90
on his previous five tests. What score does he need on his next test so that his average (mean) is
81
?
Found 2 solutions by solver91311, MathLover1: Answer by solver91311(24713) (Show Source):
You can put this solution on YOUR website!
Presuming that the 6th test is of equal weight to the first 5, that is, the 6th test isn't a final exam that counts as two tests or some other such scheme, then the total score for all 6 tests must be 6 times 81 in order to have an average of 81.
John

My calculator said it, I believe it, that settles it
Answer by MathLover1(20850) (Show Source):
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