Question

If 12 is the mean score of the following set of numbers:12,10,x,8,10,find the value of x.

A.12
B.15
C.20
D.40
E.60​

Answer 1

C.20

Explanation:

12+10+8+10+20=60

60/5=12

(5 is the number of numbers, 12,10,8,10,20)