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142.22 tiles

First, calculate the number of square inches you need by converting :

320 ft²*144 in²

1 ft²=46,080 in²

Second, determine the area of the tiles:

18in * 18in = 324 in²

Lastly, divide the total area by the area of the tile to determine the number you need:

46,080 in² / 324 in² = 142.22 tiles

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Q: How many 18 x 18 inch tiles to do a 320 sq ft area?
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