Question

13. The average of 15, 19, 23, 41, and x is 20. What is the value of x? (A) 2 (B) 20 (C) 23.6 (D) 31​

Answer 1

Answer: it’s 2 (A)

Explanation:

20 * 5 = 100

15 + 19 + 23 + 41 = 98

100-98=2

Answer 2

A

Explanation:

(x + 15 + 19 + 23 + 41) / 5 = 20

x + 15 + 19 + 23 + 41 = 100

x + 98 = 100

x = 2