Question

the mean of 2 number is 13 if one of them is 20 find the other​

Answer 1

Answer:

Let x be the required no. Given that mean of two number is 13. Hence, the other number is 6

Answer 2

Answer -

6 is the other number.

• Explanation -

Let x be the required no.

Given that mean of two number is 13.

Mean = sum of numbers / 2

13 = (20 + x)/2

13 x 2 = 20 + x

26 = 20 + x

x = 26 - 20

x = 6