Question

if the Arithmetic mean of number 27, 25, 23, x + 2 x-2, 17, 15 and 13 is 20 .find the value of x​

Answer 1

This the solution for

if the Arithmetic mean of number 27, 25, 23, x + 2 x-2, 17, 15 and 13 is 20 .find the value of x
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Answer 2

Answer:

Step-by-step explanation:

(27 + 25 + 23 + x + 2 + x - 2 + 17 + 15 + 13)/8 = 20

120 + 2x = 8×20 =160

2x = 160 - 120 = 40

x = 20