Everyone loves averages!
Algebra
Level
2
Let , be positive integral numbers such that . Find the average of these four numbers.
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1 solution
Average (a,b,c,d)=(a+b+c+d)/4;
if a+b=3(c+d) then;
Average =(3(c+d)+c+d)/4;
operating : Average=(3c+3d+c+d)/4;
Average=(4c+4d)/4;
Average=4(c+d)/4;
Simplifiyng: Average =(c+d);