Question

The mean mass of 8 numbers is 12. Five of the numbers are 6,8,5,10, and 28 .
The remaining three numbers are equal to k
Find;
i) the sum of eight numbers
ii) the value of k

Answer 1

Answer:

I) sum =12×8=96

ii)sum of 3k=28+10+5+8+6=57

96-57=39

3k=39k=13