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OpenStudy (anonymous):
The floor of a rectangular room will be tiled with square tiles that measure 3 inches on each side. The room is 109 inches long and 103 inches wide. How many tiles, including parts of tiles, are needed to complete the job?
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OpenStudy (anonymous):
Tiles required = area of room/area of tile
OpenStudy (anonymous):
109*103/3*3 = 1248 or 1247.44
OpenStudy (anonymous):
need the area of the entire room = 109 x 103 = 11227 then divide by the area of each tile = 3 x3 = 9 1247.444, so you need 1248
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