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

Algebra ->  Average -> SOLUTION: If A + B = 3( C + D),what is the average of A,B,C,and D?       Log On


   

Question 754673: If A + B = 3( C + D),what is the average of A,B,C,and D?
Answer by jim_thompson5910(35256) About Me  (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