document.write( "Question 41328: A parking lot is to be formed by fencing in a rectangular plot of land except for an entrance 12m wide along one of the sides. Find the dimensions of the lot with the greatest area. 300 m of fencing is used. Here's another word problem that I'm having some trouble with. Thanks! \n" ); document.write( "
Algebra.Com's Answer #26709 by Paul(988)\"\" \"About 
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Length = x
\n" ); document.write( "Width = y
\n" ); document.write( "EQUATION:
\n" ); document.write( "2x+2y=300+12
\n" ); document.write( "y=156-x (subsitution)
\n" ); document.write( "Area = l x w
\n" ); document.write( "A=x(156-x)
\n" ); document.write( "\"x%5E2-156x\"
\n" ); document.write( "Differentate:
\n" ); document.write( "And x= 78
\n" ); document.write( "y=156-78
\n" ); document.write( "y=78
\n" ); document.write( "Hence, the dimensions are 78 x 78m.
\n" ); document.write( "Paul.
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