document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=993675>Question 993675</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A rectangle has a length of 12 inches more than three times its height. If the perimeter of a rectangle is 400 inches, find its dimensions. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #612890 by </B><A HREF=/tutors/aboutme.mpl?userid=fractalier><B>fractalier(6550)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=fractalier><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=fractalier><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=612890\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Here<BR>\n" );
document.write( "L = 12 + 3H<BR>\n" );
document.write( "P = 2L + 2H = 400<BR>\n" );
document.write( "Substitute for L in the second equation and get<BR>\n" );
document.write( "2(12 + 3H) + 2H = 400<BR>\n" );
document.write( "24 + 6H + 2H = 400<BR>\n" );
document.write( "8H + 24 = 400<BR>\n" );
document.write( "8H = 376<BR>\n" );
document.write( "H = 47<BR>\n" );
document.write( "L = 12 + 3(47) = 153 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );