document.write( "Question 152972This question is from textbook
\n" ); document.write( ": How many 9-inch-square floor tiles are needed to cover a rectangular floor that measures 12 feet by 15 feet? \n" ); document.write( "
Algebra.Com's Answer #112437 by edjones(8007)\"\" \"About 
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9*9=81 in^2 Area of a tile
\n" ); document.write( "12*12=144\"
\n" ); document.write( "15*12=180\"
\n" ); document.write( "144*180=25920 in^2 Area of the floor
\n" ); document.write( "25920/81
\n" ); document.write( "=320 tiles
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