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18 x 18 (hope these are in inches)

18" x 18" is the same as 3/2 feet x 3/2 feet and the area of one tile is 9/4 sq feet.

To fill 160 sq feet you would need (160)/(9/4) = 640/9 = 71.11 tiles and you need to round it up to 72 tiles.

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12y ago
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Q: How many 18x18 tiles do you need to cover 160 sq ft?
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