document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1194635>Question 1194635</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A resort's enormous rectangular pool is 500 meters wide and 250 meters long. A contractor is<BR>\n" );
document.write( "hired to construct a brick walkway around the pool with an area of 1504 m^2?. What are the roots<BR>\n" );
document.write( "of the working equation? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #826872 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=826872\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A resort's enormous rectangular pool is 500 meters wide and 250 meters long. A contractor is hired to construct a brick walkway around the pool with an area of 1504 m^2?. <BR>\n" );
document.write( "What are the roots of the working equation?<BR>\n" );
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document.write( "No \"working equation\" is given.<BR>\n" );
document.write( "If you want to find the width of the walkway:<BR>\n" );
document.write( "----<BR>\n" );
document.write( "Pool area = 250*500 = 125000 sq meters<BR>\n" );
document.write( "x = width of walkway<BR>\n" );
document.write( "Area of pool and walkway = 125000+1504 = 126504<BR>\n" );
document.write( "(250+x)*(500+x) = 126504<BR>\n" );
document.write( "x^2 + 750x + 125000 = 125604<BR>\n" );
document.write( "x^2 + 750x - 1504 = 0<BR>\n" );
document.write( "x = 2 meters added to length and width<BR>\n" );
document.write( "---> walkway is 1 meter wide </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );