document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=230898>Question 230898</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Word Problem Two -A rectangular plot of ground measuring 12 meters by 20 meters is surrounded by a sidewalk of a uniform width.  The area of the sidewalk is 68 square meters.  Find the width of the walk.. (Show a complete algebraic solution for the problem and check the answer.)\r<BR>\n" );
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document.write( "I DREW A PICTURE THEN WAS LOST….<BR>\n" );
document.write( "He said that you can possibly use quadratic equation but don’t have to..<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 #170993 by </B><A HREF=/tutors/aboutme.mpl?userid=josmiceli><B>josmiceli(19441)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josmiceli><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=josmiceli><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=170993\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let the width of the walk = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=w ALIGN=MIDDLE  ALT=\"w\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Then the area of the plot plus<BR>\n" );
document.write( "the walk is:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%2812+%2B+2w%29%2A%2820+%2B+2w%29 ALIGN=MIDDLE  ALT=\"%2812+%2B+2w%29%2A%2820+%2B+2w%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "The area of the plot is given as:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=12%2A20+=+240 ALIGN=MIDDLE  ALT=\"12%2A20+=+240\"   DISABLED_style= \"max-width:90%; height:auto;\" > m2<BR>\n" );
document.write( "The area of the walk is given as <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=68 ALIGN=MIDDLE  ALT=\"68\"   DISABLED_style= \"max-width:90%; height:auto;\" > m2<BR>\n" );
document.write( "Thus, the area of the plot plus walk is<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=240+%2B+68+=+308 ALIGN=MIDDLE  ALT=\"240+%2B+68+=+308\"   DISABLED_style= \"max-width:90%; height:auto;\" >, so<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%2812+%2B+2w%29%2A%2820+%2B+2w%29+=+308 ALIGN=MIDDLE  ALT=\"%2812+%2B+2w%29%2A%2820+%2B+2w%29+=+308\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=240+%2B+40w+%2B+24w+%2B+4w%5E2+=+308 ALIGN=MIDDLE  ALT=\"240+%2B+40w+%2B+24w+%2B+4w%5E2+=+308\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4w%5E2+%2B+64w+%2B+240+-+308+=+0 ALIGN=MIDDLE  ALT=\"4w%5E2+%2B+64w+%2B+240+-+308+=+0\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4w%5E2+%2B+64w+-+68+=+0 ALIGN=MIDDLE  ALT=\"4w%5E2+%2B+64w+-+68+=+0\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=w%5E2+%2B+16w+-+17+=+0 ALIGN=MIDDLE  ALT=\"w%5E2+%2B+16w+-+17+=+0\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "I can solve by completing the square<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=w%5E2+%2B+16w+%2B+%2816%2F2%29%5E2+=+17+%2B+%2816%2F2%29%5E2 ALIGN=MIDDLE  ALT=\"w%5E2+%2B+16w+%2B+%2816%2F2%29%5E2+=+17+%2B+%2816%2F2%29%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=w%5E2+%2B+16w+%2B+64+=+17+%2B+64 ALIGN=MIDDLE  ALT=\"w%5E2+%2B+16w+%2B+64+=+17+%2B+64\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28w+%2B+8%29%5E2+=+81 ALIGN=MIDDLE  ALT=\"%28w+%2B+8%29%5E2+=+81\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Take square root of both sides<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=w+%2B+8+=+9 ALIGN=MIDDLE  ALT=\"w+%2B+8+=+9\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=w+=+1 ALIGN=MIDDLE  ALT=\"w+=+1\"   DISABLED_style= \"max-width:90%; height:auto;\" > m<BR>\n" );
document.write( "The walk is 1 meter wide<BR>\n" );
document.write( "check:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%2812+%2B+2w%29%2A%2820+%2B+2w%29+=+308 ALIGN=MIDDLE  ALT=\"%2812+%2B+2w%29%2A%2820+%2B+2w%29+=+308\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%2812+%2B+2%2A1%29%2A%2820+%2B+2%2A1%29+=+308 ALIGN=MIDDLE  ALT=\"%2812+%2B+2%2A1%29%2A%2820+%2B+2%2A1%29+=+308\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=14%2A22+=+308 ALIGN=MIDDLE  ALT=\"14%2A22+=+308\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=308+=+308 ALIGN=MIDDLE  ALT=\"308+=+308\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "OK </SPAN>\n" );
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