SOLUTION: If A + B = 3( C + D),what is the average of A,B,C,and D?

SOLUTION: If A + B = 3( C + D),what is the average of A,B,C,and D?

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Question 754673: If A + B = 3( C + D),what is the average of A,B,C,and D?

Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
Average = (A+B+C+D)/4

Average = (3(C+D)+C+D)/4

Average = (3C+3D+C+D)/4

Average = (4C+4D)/4

Average = 4C/4+4D/4

Average = C+D
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