Question

What is the range of this set of numbers?

40, 42, 31, 50, 59, 68, 70
A
30
B
20
C
45
D
39

Answer 1

Answer:
`39`

Order the numbers

Before:
`40, 42, 31, 50, 59, 68, 70`

After:
`31, 40, 42, 50, 59, 68, 70`

Subtract

`70-31=39`