document.write( "Question 171713: How many square tiles, each with a perimeter of 12 feet must be used to completely cover a floor with a width of 9 feet and a length of 15 feet? \n" ); document.write( "
Algebra.Com's Answer #126862 by stanbon(75887)\"\" \"About 
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If the tiles are square and have a perimeter of 12 feet,each side is 3 ft?
\n" ); document.write( "Each tile has area = 3*3 = 9 sq. ft.
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\n" ); document.write( "The area of the floor is 9*15 = 135 sq. ft
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\n" ); document.write( "The number of tiles needed to cover the floor is 135/9 = 15
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\n" ); document.write( "Stan H.
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