document.write( "Question 773935: Each side of a marble tile is 16 cm long.How many tiles are needed to cover an area of 5120 square cm? \n" ); document.write( "
Algebra.Com's Answer #471942 by Cromlix(4381)\"\" \"About 
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Area of tile = 16cm * 16cm = 256cm^2
\n" ); document.write( "5120cm^2 / 256cm^2 = 20
\n" ); document.write( "You will require 20 tiles to
\n" ); document.write( "cover 5120cm^2.
\n" ); document.write( "Hope this helps.
\n" ); document.write( ":-)
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