Math CentralQuandaries & Queries


Question from Jill,

how many 4" x 4" square tiles would I need for 50 square feet?

Hi Jill,

$3 \times 4" = 12" = 1 \mbox{ foot}$

1 square foot

and hence it takes $3 \times 3 = 9,$ 4 inch square tiles to make a square foot. You need to cover 50 square feet so that will take at least $9 \times 50 = 450$ tiles. Depending on the shape of the region you want to cover there may be some cutting required and hence some cutting. Hence you may need more than 450 tiles.



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