document.write( "Question 65551: The greenhouse roof has 1.5 times the surface area of the floor. I want to coat both the roof and floor with a clear-coat plastic sealer. The total square footage for both is 750 sq.ft. What is the square footage of the floor? \n" ); document.write( "
Algebra.Com's Answer #46109 by 303795(602)\"\" \"About 
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Call the floor area x. The roof area is one and a half times the floor area so the roof area is 1.5x. The total area will be x + 1.5x = 2.5x
\n" ); document.write( "2.5x = 750
\n" ); document.write( "x = 750/2.5
\n" ); document.write( "=300 square feet.
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