Question

the average of A and B is 25. the average of B and C is 28. the average of C and A is 21 find the average of A.B and C​

Answer 1

Answer:

total of A+B=25*2=50

total of B+C=28*2=56

total of C+A=21*2=42

total of 2(A+B+C)=148

A+B+C=148/2=74

avarage of A,B,C=74/3=24.66