SOLUTION: the total of nine numbers is 135. if 31 is subtracted what is the mean of the numbers

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Question 1084338: the total of nine numbers is 135. if 31 is subtracted what is the mean of the numbers
Answer by josgarithmetic(39629) About Me  (Show Source):
You can put this solution on YOUR website!
the total of nine numbers is 135
--- this means average is 135%2F9=15.


if 31 is subtracted what ...
Then now 8 numbers.
Average, %28135-31%29%2F8=13.