Find x if the mean of 30,x,12,40 and 10 is equal to x

Question

asked Nov 5, 2023 67.8k views

1 Answer

Gian Marco Toso · Answer 1 · 2023-11-11T04:39:38+0000

Answer:

x = 23

Explanation:

Mean = 30+x+12+40+10/5

x = 30+x+12+40+10/5

5x = 30+x+12+40+10

5x-x = 30 + 12 + 40 + 10

4x = 92

x = 92/4

x = 23