document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1200822>Question 1200822</A>: <I><SPAN STYLE=\"word-break: break-all;\"> the length of a rectangular platform is 2 feet longer than three times its width. the area of the platform in 56 square inches. what are the width and the length of the platform. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #835045 by </B><A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><B>ankor@dixie-net.com(22740)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.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=ankor@dixie-net.com><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=835045\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> the length of a rectangular platform is 2 feet longer than three times its width.<BR>\n" );
document.write( "L = 3w + 2 <BR>\n" );
document.write( "the area of the platform in 56 square inches.<BR>\n" );
document.write( "L*W = 56<BR>\n" );
document.write( "what are the width and the length of the platform<BR>\n" );
document.write( "Replace L with (3w+2) <BR>\n" );
document.write( "(3w+2)*w = 56<BR>\n" );
document.write( "distribute w<BR>\n" );
document.write( "3w^2 + 2w = 56<BR>\n" );
document.write( "a quadratic equation<BR>\n" );
document.write( "3w^2 + 2w - 56 = 0<BR>\n" );
document.write( "You can use the quadratic formula but this will factor<BR>\n" );
document.write( "(3w+14)(w-4) = 0<BR>\n" );
document.write( "the positive solution is all we want here<BR>\n" );
document.write( "w = 4 is the width<BR>\n" );
document.write( "then<BR>\n" );
document.write( "L = 3(4)+2<BR>\n" );
document.write( "L = 14 is the length </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );