SOLUTION: what is the average of a+b+c+a? I want to know if i shal divide by 3 or 4

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Question 256015: what is the average of a+b+c+a? I want to know if i shal divide by 3 or 4
Answer by ptaylor(2198) About Me  (Show Source):
You can put this solution on YOUR website!
(a+b+c+a)/4=(2a+b+c)/4
We are finding the average of a set of four numbers. Two of the numbers just happen to be the same.
Hope this helps---ptaylor