SOLUTION: Three of four numbers have a sum of 22. If the average of the four numbers is 8, what is the fourth number?

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Question 892863: Three of four numbers have a sum of 22. If the average of the four numbers is 8, what is the fourth number?
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
A%2BB%2BC=22
and
%28A%2BB%2BC%2BD%29%2F4=8
A%2BB%2BC%2BD=32
Substituting,
22%2BD=32
D=10