document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=27512>Question 27512</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A rectangular plot of ground measuring 12 meters by 20 meters is surrounded by a sidewalk of uniform width.  The area of the sidewalk is 68 square meters.  Find the width of the walk. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #14966 by </B><A HREF=/tutors/aboutme.mpl?userid=Paul><B>Paul(988)</B></A><img src=\"/images/stars/stars-11.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Paul><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=14966\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The width is 12<x<20\r<BR>\n" );
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document.write( "Let the width be x<BR>\n" );
document.write( "x-12<BR>\n" );
document.write( "and <BR>\n" );
document.write( "x+20\r<BR>\n" );
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document.write( "(x-12)(x+20)=68<BR>\n" );
document.write( "x^2+20x-12x-240=68<BR>\n" );
document.write( "x^2+8x-308=0,x\r<BR>\n" );
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document.write( "Factor:<BR>\n" );
document.write( "(x+22) and (x-14)\r<BR>\n" );
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document.write( "hence, the width is 14m.<BR>\n" );
document.write( "Paul.<BR>\n" );
document.write( " </SPAN>\n" );
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