document.write( "Question 839659: A square tile has side 30cm how many of these tiles will cover a rectangular floor length 7.2cm and width 4.2m \n" ); document.write( "
Algebra.Com's Answer #505789 by ewatrrr(24785)\"\" \"About 
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\n" ); document.write( "Hi,
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\n" ); document.write( "Floor Area = \"7.2m%2A4.2m\" Note using meters for both length and width
\n" ); document.write( "tile area = (.30m)^2 = .9m^2 Converted side length of 30cm to meters
\n" ); document.write( " How many tiles needed: \"%287.2m%2A4.2m%29%2F.9m%5E2\" \n" ); document.write( "
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