Question

Find the range of all the multiples of 3 between 10 and 20

Answer 1

multiples of 3 between 10 and 20 is 12,15 and 18

Answer 2

List the multiples of 3:

3, 6, 9, 12, 15, 18,21

The ones between 10 and 20 are:

12, 15, 18

The range is the difference between the highest and lowest numbers.

Range = 18 - 12 = 6