Question

Consider the following 8 numbers, where one labelled

x
is unknown.

48
,


9
,


29
,


x
,


5
,


32
,


22
,


5


Given that the range of the numbers is 63, work out 2 values of
x

Answer 1

Explanation:

48 + 9 + 29 + x + 5 + 32 + 22 + 5 = 63

by adding all numbers except x, we get

150 + x = 63

x = 63 - 150

x = - 87