What size rectangular floor can be completely covered by using only 3x3 or 5x5 ft tiles? You can't cut tiles or combine the two tile sizes.

Answer 1

What are the multiples of 3?

What are the multiples of 5?

Answer 2

I still don't understand

Answer 3

Mean you can't tell me the multiples of 3?

3, 6, 9, 12, 15, 18, 21, 24, etc.

Answer 4

No, like what the answer is.

Answer 5

3 by 3 tiles:

Rectangular rooms could be
6 by 6
6 by 9
9 by 9
9 by 12
12 by 12
9 by 15
12 by 15
15 by 18
12 by 18
15 by 21
and so on

Answer 6

you are stupid