Question

there are 18 red tiles and 24 blue tiles. they are arranged into equal groups, and each group must be the same, with no tiles left over. what is the greatest number of tiles in each group?

Explanation:

Step1: Find factors of 18

Factors of 18: $1, 2, 3, 6, 9, 18$

Step2: Find factors of 24

Factors of 24: $1, 2, 3, 4, 6, 8, 12, 24$

Step3: Identify GCF

Common factors: $1, 2, 3, 6$. The greatest is 6.

Answer:

6