document.write( "Question 365425: A room 5.1m by 3m is to be tiled by square tiles of side 15cm. How many tiles are needed? \n" ); document.write( "
Algebra.Com's Answer #260494 by mananth(16946)\"\" \"About 
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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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\n" ); document.write( "Area of room = 5.1*3= 15.3 m^2
\n" ); document.write( "tile area = 0.15m*0.15m = 0.0225
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\n" ); document.write( "number of tiles = room area / area of tile
\n" ); document.write( "=15.3/0.0225
\n" ); document.write( "= 680 tiles
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\n" ); document.write( "m.ananth@hotmail.ca
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