document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=663090>Question 663090</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The length of a rectangle is three times its width. <BR>\n" );
document.write( "If the perimeter of the rectangle is 56m , find its area.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #412619 by </B><A HREF=/tutors/aboutme.mpl?userid=ReadingBoosters><B>ReadingBoosters(3246)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ReadingBoosters><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=412619\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> p = 56 = 2l+2w<BR>\n" );
document.write( "l = 3w<BR>\n" );
document.write( "Substitute length, l, into the perimeter, p, equation<BR>\n" );
document.write( "56 = 2(3w)+2w<BR>\n" );
document.write( "Distribute the 2<BR>\n" );
document.write( "56 = 6w + 2w<BR>\n" );
document.write( "Combine like terms<BR>\n" );
document.write( "56 = 8w<BR>\n" );
document.write( "w = 7m is width<BR>\n" );
document.write( "l = 3w = 3(7) = 21m is length<BR>\n" );
document.write( "...<BR>\n" );
document.write( "area = lxw = 7(21) = 147m^2<BR>\n" );
document.write( ".........................<BR>\n" );
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document.write( "</TD></TR></TABLE>\n" );