Question

10. If 20 is the mean of 18, 23, x, 22 and 20, find x *

Answer 1

Answer:

hope this is helpful

Answer 2

Answer: 17

Explanation:

(18+23+x+22+20)/5 = 20

(83+x)/5 = 20

83 + x = 5*20

83+x= 100

x = 100 - 83

X = 17