You want to use square tiles to cover the top of a table you're making. The top is 30 inches by 18 inches. What is the side measure of the largest-sized square tile you can use to cover the tabletop without any overlap or cutting?

Question

Jordan Johnston

Mathematics

5 February, 22:52

You want to use square tiles to cover the top of a table you're making. The top is 30 inches by 18 inches. What is the side measure of the largest-sized square tile you can use to cover the tabletop without any overlap or cutting?

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Answers (1)

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Shaun Woodward · Answer 1

You can use greatest common factor (gcf)

list the factors of 18 and 30.

18 - 1, 2, 3, 6, 9, 18

30 - 1, 2, 3, 5, 6, 10, 15, 30

now the factor that is greatest is 6.

this mean you can use the largest square tile of 6in by 6in without overlap or cutting.