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Whom ever wrote this problem, did not give the unit of measurement (yards, feet, meters, etc.) so, I am going to presume that the 12 by 12 tile is in inches, and the 15 by 15 is in feet.

If my presumption was correct the answer is 15 tiles. Because a 12 by 12 tile is = to 1 square foot. How many 1's fit into 15? 15!

Well, not exactly.....

You need to multiply 15 X 15 to get the square footage and that will give you

the number of tiles needed since the tiles are 1 ft square. 15 x 15= 225. So you

need 225 tiles. And add extra tiles for breakage...

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14y ago

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