Question

3. If the average of 16, 14, x, 23, 20 is 18, find the value of x.
LA
Maths

Answer 1

x = 17

Explanation:

Here, we want to find the value of x

mathematically, the mean is the sum of the numbers divided by the count of the numbers

The count of the numbers is 5

So we have;

(16 + 14 + x + 23 + 20)/5 = 18

73 + x = 5(18)

73 + x = 90

x = 90-73

x = 17