document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=387257>Question 387257</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A car traveled 3276 mi at a certain speed.  If the speed had been 13 mph faster, the trip could have been made in 6 hr less time.  Find the speed. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #273734 by </B><A HREF=/tutors/aboutme.mpl?userid=mananth><B>mananth(16946)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=mananth><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=mananth><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=273734\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A car traveled 3276 mi at a certain speed.  If the speed had been 13 mph faster, the trip could have been made in 6 hr less time.  Find the speed.<BR>\n" );
document.write( "...<BR>\n" );
document.write( "let original speed be x mph<BR>\n" );
document.write( "increased speed = x+13 mph<BR>\n" );
document.write( "..<BR>\n" );
document.write( "time with original speed - time qith increased speed = 6<BR>\n" );
document.write( "..<BR>\n" );
document.write( "t=d/r<BR>\n" );
document.write( "3276/x - 3276/(x+13)=6<BR>\n" );
document.write( "..<BR>\n" );
document.write( "LCD = x(x+13)<BR>\n" );
document.write( "..<BR>\n" );
document.write( "(3276(x+13)-3276x)/x(x+13)=6<BR>\n" );
document.write( "..<BR>\n" );
document.write( "multiply by x(x+13)<BR>\n" );
document.write( "3276x+42588-3276x=6x(x+13)<BR>\n" );
document.write( "42588=6x^2+78x<BR>\n" );
document.write( "6x^2+78x-42588=0<BR>\n" );
document.write( "/6<BR>\n" );
document.write( "x^2+13x-7098=0<BR>\n" );
document.write( "x^2+91x-78x-7098=0<BR>\n" );
document.write( "x(x+91)-78(x+91)=0<BR>\n" );
document.write( "(x+91)(x-78)=0<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28highlight%28x=+78%29%29 ALIGN=MIDDLE  ALT=\"%28highlight%28x=+78%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > mph the speed<BR>\n" );
document.write( "...<BR>\n" );
document.write( "m.ananth@hotmail.ca </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );