document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=845382>Question 845382</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The perimeter of a rectangular field  is 628 meters .  The length is 6 more than the width . Set up a system of equations and solve  to find the length and width  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #509250 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39632)</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=509250\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> This kind of question seems so common.  What if you generally had:<BR>\n" );
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document.write( "The perimeter of a rectangle is p meters .  The length is k more than the width . Set up a system of equations and solve  to find the length and width.\r<BR>\n" );
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document.write( "Let L = length<BR>\n" );
document.write( "Let w = width\r<BR>\n" );
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document.write( "Perimeter information gives <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2L%2B2w=p ALIGN=MIDDLE  ALT=\"2L%2B2w=p\"   DISABLED_style= \"max-width:90%; height:auto;\" >.<BR>\n" );
document.write( "Other description gives <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=L=k%2Bw ALIGN=MIDDLE  ALT=\"L=k%2Bw\"   DISABLED_style= \"max-width:90%; height:auto;\" >.\r<BR>\n" );
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document.write( "Those are the equations for the system having L and w as variables, UNKNOWN variables.  Sometimes one equation or the other could use refinement or simplification before using a final form of the system of equations.  \r<BR>\n" );
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document.write( "Often the choice for which method to solve the system is the student's.  The general system shown above can easily be handled through substituting for L in the perimeter equation, and then solve for w.  ...<BR>\n" );
document.write( "An alternative can be, substitute for w in one of the equations.<BR>\n" );
document.write( "Another alternative is, depending on simplifications made, use the system as:<BR>\n" );
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document.write( "2L+2w=p<BR>\n" );
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document.write( "L-w=k<BR>\n" );
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document.write( "and use Elimination Method. </SPAN>\n" );
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