document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=724034>Question 724034</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A rectangular lot is four times as long as it is wide. It's perimeter is 100m. Find its length. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #443542 by </B><A HREF=/tutors/aboutme.mpl?userid=algebrahouse.com><B>algebrahouse.com(1659)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=algebrahouse.com><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=algebrahouse.com><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=443542\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> x = width<BR>\n" );
document.write( "4x = length {it is four times as long as it is wide}\r<BR>\n" );
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document.write( "Perimeter of a rectangle = 2(width) + 2(length)\r<BR>\n" );
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document.write( "2(x) + 2(4x) = 100   {substituted into perimeter formula}<BR>\n" );
document.write( "2x + 8x = 100   {multiplied}<BR>\n" );
document.write( "10x = 100 {combined like terms}<BR>\n" );
document.write( "x = 10  {divided each side by 10}<BR>\n" );
document.write( "4x = 40 {substituted 10, in for x, into 4x}\r<BR>\n" );
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document.write( "length = 40 m<BR>\n" );
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