You are preparing to tile the floor of a rectangular room that is 15½ feet by 18½ feet in size. The tiles you plan to use are square, measuring 12 inches on each side, and are sold in boxes that contain enough tile to cover 25 square feet. How many boxes of tiles must you order to complete the job?
First, convert 15½ to 15.5 and 18½ to 18.5 and multiply these two values to obtain the area of the room in square feet. Next, divide this number (286.75) by the area covered by one box of tiles (25 sq ft). Finally, round 11.47 boxes up to 12 boxes, as it is probably not possible to order a fraction of a box of tiles.
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