You can put this solution on YOUR website! A room 5.1m by 3m is to be tiled by square tiles of side 15cm. How many tiles are needed?
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Area of room = 5.1*3= 15.3 m^2
tile area = 0.15m*0.15m = 0.0225
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number of tiles = room area / area of tile
=15.3/0.0225
= 680 tiles
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m.ananth@hotmail.ca
