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| 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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