# Math

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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.

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What are the multiples of 3?

What are the multiples of 5?

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I still don't understand

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

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

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No, like what the answer is.

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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

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