SOLUTION: the average of 5 numbers is 8 and the first 2 have an average of 5 what is the average of the remaining 3

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Question 946724: the average of 5 numbers is 8 and the first 2 have an average of 5 what is the average of the remaining 3
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
%28A%2BB%2BC%2BD%2BE%29%2F5=8
1.A%2BB%2BC%2BD%2BE=40
.
.
%28A%2BB%29%2F2=5
2.A%2BB=10
Subtracting eq.2 from eq.1,
A%2BB%2BC%2BD%2BE-A-B=40-10
C%2BD%2BE=30
So,
%28C%2BD%2BE%29%2F3=highlight%2810%29