Dennis is packing 108 pens, 80 books, 96 notepads into a boxes. He wants to pack an equal amount of each in each box find the greatest number of boxes and the amount in each box.

Work out the highest common factor of 108, 80, and 96

108 80 96

1 * 108 1 * 80 1 * 96

2 * 54 2 * 40 2 * 48

3 * 36 4 * 20 3 * 32

4 * 27 8 * 10 4 * 24

6 * 18 6 * 16

9 * 12 8 * 12

The common factors are = 1, 2, and 4

The Highest Common Factor is 4

The greatest number of box used is 4 boxes

The number of each item in each box is

Pens ⇒ 108:4 = 27 pens

Books ⇒ 80:4 = 20 books

Notepads ⇒ 96:4 = 24 notepads