Consider the following 8 numbers, where one labelled x is unknown.
14, 28, 28, x, 36, 6, 4, 50
Given that the range of the numbers is 59, work out 2 values of x.
+36916 63 would be one then 4 through 63 would have range 59
-9 would be the other x value then - 9 through 50 would produce range of 59
