document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=981231>Question 981231</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Our teacher gave us a worded problem. But, it is like more of finding the area of the rectangle but different. I've been solving this problem for hours now and I don't know what step I did wrong. Can you please help me find the roots, if it's factor-able or not, or the area? Thank you. OK here's the worded problem:<BR>\n" );
document.write( "   A rectangular park 80 meters long and 60 meters wide is surrounded by a driveway of uniform width. How wide is the driveway if its area is 3/25 of the area of the park? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #602251 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=602251\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A diagram is often helpful.  Try making one to represent the description.\r<BR>\n" );
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document.write( "w, width of the park<BR>\n" );
document.write( "L, length of the park<BR>\n" );
document.write( "u, the uniform width of the driveway around the park<BR>\n" );
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document.write( "two given values:  w=60, L=80<BR>\n" );
document.write( "unknown value:  u\r<BR>\n" );
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document.write( "Park area, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=wL ALIGN=MIDDLE  ALT=\"wL\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Total Area of park AND driveway, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28w%2B2u%29%28L%2B2u%29 ALIGN=MIDDLE  ALT=\"%28w%2B2u%29%28L%2B2u%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Driveway area, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28w%2B2u%29%28L%2B2u%29-wL=%283%2F25%29wL ALIGN=MIDDLE  ALT=\"%28w%2B2u%29%28L%2B2u%29-wL=%283%2F25%29wL\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Solve the driveway area equation for u.  It is quadratic in u.  You can solve it completely in symbols before substituting the given values for evaluating u; or you can substitute the given values at any stage you want.  There is some simplification you should do, BEFORE substituting the given w and L values. </SPAN>\n" );
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