SOLUTION: What must the missing piece of data be to have a mean of 33 if the numbers are 30,37, and 23?

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Question 957648: What must the missing piece of data be to have a mean of 33 if the numbers are 30,37, and 23?
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
m, the missing datum.
%2830%2B37%2B23%2Bm%29%2F4=33
Solve for m.