Question

If the mean of a,b,c and d is, 8, then find
1) mean of a+2, b+2, c+2,and d+2
2) mean of 3a, 3b, 3c and 3d.
3) mean of a-5, b-5, c-5 and d-5
4) mean of a/7, b/7, c/7, and d/7

Answer 1

1) a= 6,b=6,c=6,d=6
2)a=8/3=b=c=d
3)a=13=b=c=d
4)a=56=b=c=d
hope its help

Answer 2

Pls follow it hope it helps!!