SOLUTION: The average of 10 numbers is 53. The average of 6 of the 10 numbers is 57. what is the average of the last 4

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Question 933978: The average of 10 numbers is 53. The average of 6 of the 10 numbers is 57. what is the average of the last 4
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
%28A%2BB%2BC%2BD%2BE%2BF%2BG%2BH%2BI%2BJ%29%2F10=53
A%2BB%2BC%2BD%2BE%2BF%2BG%2BH%2BI%2BJ=530
.
.
%28A%2BB%2BC%2BD%2BE%2BF%29%2F6=57
A%2BB%2BC%2BD%2BE%2BF=342
Subtracting,
G%2BH%2BI%2BJ=530-342
G%2BH%2BI%2BJ=188
%28G%2BH%2BI%2BJ%29%2F4=highlight%2847%29