document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=173103>Question 173103</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The length of a rectangular park is 2 times greater than its width.\r<BR>\n" );
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document.write( "The park is framed by sidewalk that is 2 m wide.\r<BR>\n" );
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document.write( "The area of the park is increased by 136m square if the sidewalk is included.\r<BR>\n" );
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document.write( "What is the area of the park without the surrounding sidewalk ?\r<BR>\n" );
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document.write( "Show the work.<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #127942 by </B><A HREF=/tutors/aboutme.mpl?userid=nerdybill><B>nerdybill(7384)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=nerdybill><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/cgi-bin/show-face.mpl?user=nerdybill><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=127942\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The length of a rectangular park is 2 times greater than its width.<BR>\n" );
document.write( "The park is framed by sidewalk that is 2 m wide.<BR>\n" );
document.write( "The area of the park is increased by 136m square if the sidewalk is included.<BR>\n" );
document.write( "What is the area of the park without the surrounding sidewalk ? <BR>\n" );
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document.write( "area of sidewalk is 136 sq m<BR>\n" );
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document.write( "\"area of park plus walk\" is<BR>\n" );
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document.write( "Park measurements:<BR>\n" );
document.write( "Let w = width of park<BR>\n" );
document.write( "then<BR>\n" );
document.write( "2w = length of park<BR>\n" );
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document.write( "Park plus walk measurements:<BR>\n" );
document.write( "w+4 = width<BR>\n" );
document.write( "2w+4 = length<BR>\n" );
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document.write( "(w+4)(2w+4) - w(2w) = 136<BR>\n" );
document.write( "2w^2+4w+8w+16 - 2w^2 = 136<BR>\n" );
document.write( "4w+8w+16 = 136<BR>\n" );
document.write( "12w+16 = 136<BR>\n" );
document.write( "12w = 120<BR>\n" );
document.write( "w = 10 m (width)<BR>\n" );
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document.write( "Length:<BR>\n" );
document.write( "2w = 2(10) = 20 m(length)<BR>\n" );
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