Question

A nurse at a school is having a poster contest. The nurse sayS the size of the rectangular poster must be 72 square inches. Each side of the poster has to measure in whole inches. What are all the possible sizes of the poster board the nurse can cut to have ready?

Answer 1

A = LW
72 =
6 * 12
8 * 9

Answer 2

find all pairs of factors of 72

72
= 1 x 72
= 2 x 36
= 3 x 24
= .... etc

count them up, but I would not count the duplicates such as
....
24 x 3
36 x 2
72 x 1