document.write( "Question 456024: how many four inch square tiles would be needed to cover a rectangular floor that measures 28 feet by 40 feet \n" ); document.write( "
Algebra.Com's Answer #313037 by edjones(8007)\"\" \"About 
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4^2=16 in\"
\n" ); document.write( "28*12=336
\n" ); document.write( "40*12=480
\n" ); document.write( "336*480=161280
\n" ); document.write( "161280/16=10,080 tiles
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