document.write( "Question 547089: Find the number of 15-centimeter square tiles required to cover a rectangular floor 5.4 m long and 4.05 m wide. \n" ); document.write( "
Algebra.Com's Answer #356208 by mananth(16946)\"\" \"About 
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Number of tiles required = area of floor/area of tile\r
\n" ); document.write( "\n" ); document.write( "area of floor = 5.4*4.05=21.87 m^2
\n" ); document.write( "Area of tile = 0.15 *0.15 = 0.0625 m^2\r
\n" ); document.write( "\n" ); document.write( "21.87/0.0625=349.92\r
\n" ); document.write( "\n" ); document.write( "= 350 tiles
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