document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=406015>Question 406015</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The area of a rectangle is three times the area of a square. If the rectangle is 15 inches long, and the width of the rectangle is the same as the length of a side of the square, find the dimensions of both the rectangle and the square. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #286622 by </B><A HREF=/tutors/aboutme.mpl?userid=Kaloda><B>Kaloda(2)</B></A><img src=\"/images/stars/iconNewId_16x16.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Kaloda><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=Kaloda><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=286622\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> let, A = area of rectangle<BR>\n" );
document.write( "     B = area of the square<BR>\n" );
document.write( "     l = length of the rectangle<BR>\n" );
document.write( "     w = width of the rectangle<BR>\n" );
document.write( "     s = side of the square\r<BR>\n" );
document.write( "\n" );
document.write( "A = 3B<BR>\n" );
document.write( "l = 15<BR>\n" );
document.write( "w = s<BR>\n" );
document.write( "A = l.w = 3B<BR>\n" );
document.write( "15s = 3s^2<BR>\n" );
document.write( "3s^2 - 15s = 0<BR>\n" );
document.write( "s^2 - 5s = 0<BR>\n" );
document.write( "s^2 - 5s + 25/4 = 25/4<BR>\n" );
document.write( "(s - 5/2)^2 = 25/4<BR>\n" );
document.write( "s - 5/2 = 5/2<BR>\n" );
document.write( "Final answers:<BR>\n" );
document.write( "s = 5<BR>\n" );
document.write( "w = 5<BR>\n" );
document.write( "l = 15      </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );