document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=825286>Question 825286</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Glenn cuts half a rectangular lawn, 40 m by 30 m, by mowing strips of equal width around the perimeter. Brad cuts the small rectangle left. How wide a strip does Glenn cut so that they share the work equally? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #497204 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39617)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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=497204\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> w = the width along perimeter which Glenn cuts.<BR>\n" );
document.write( "The whole lawn area is 40*30 m^2.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "The area cut, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4w%5E2%2B2%2840-2w%29%2B2%2830-2w%29 ALIGN=MIDDLE  ALT=\"4w%5E2%2B2%2840-2w%29%2B2%2830-2w%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "That area cut is half the lawn area.<BR>\n" );
document.write( "Solve this equation:   <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4w%5E2%2B2%2840-2w%29%2B2%2830-2w%29=40%2A30%2F2 ALIGN=MIDDLE  ALT=\"4w%5E2%2B2%2840-2w%29%2B2%2830-2w%29=40%2A30%2F2\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "Continuing a bit:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2w%5E2%2B%2840-2w%2B30-2w%29=20%2A30%2F2 ALIGN=MIDDLE  ALT=\"2w%5E2%2B%2840-2w%2B30-2w%29=20%2A30%2F2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2w%5E2%2B70-4w=60 ALIGN=MIDDLE  ALT=\"2w%5E2%2B70-4w=60\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2w%5E2-4w%2B60=0 ALIGN=MIDDLE  ALT=\"2w%5E2-4w%2B60=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%5E2-2w%2B30=0 ALIGN=MIDDLE  ALT=\"w%5E2-2w%2B30=0\"   DISABLED_style= \"max-width:90%; height:auto;\" > seems not factorable;<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=w=%282%2Bsqrt%284%2B4%2A30%29%29%2F%282%29 ALIGN=MIDDLE  ALT=\"w=%282%2Bsqrt%284%2B4%2A30%29%29%2F%282%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=w=%282%2Bsqrt%28124%29%29%2F2 ALIGN=MIDDLE  ALT=\"w=%282%2Bsqrt%28124%29%29%2F2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=w=%282%2B2%2Asqrt%2830%29%29%2F2 ALIGN=MIDDLE  ALT=\"w=%282%2B2%2Asqrt%2830%29%29%2F2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28w=1%2Bsqrt%2830%29%29 ALIGN=MIDDLE  ALT=\"highlight%28w=1%2Bsqrt%2830%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );