Question

Reuben must choose a number between 55 and 101 that is a multiple of , 4, 9 and 12 . Write all the numbers that he could choose. If there is more than one number, separate them with commas.

Answer 1

List all the multiples of 4 between 55 and 101
56, 60, 64, 68, 72, 76, 80, 84, 88, 92, 96, 100

List all the multiples of 9 between 55 and 101
63, 72, 81, 90, 99

List all the multiples of 12 between 55 and 101
60, 72, 84, 96

From the above 3 lists, choose all the common
72

The answer is 72