Question

If the mean of 9 8 10 x 12 is 15 find the value of x

Answer 1

Answer:

x = 36

Explanation:

Mean =Sum of numbers/total how much numbers are present

so

15=(9+8+10+x+12)/5

by cross multiplying

15×5=9+8+x+10+12

75=39+x

x=75-39

x=36

Hope it will help