document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=34377>Question 34377</A>: <I><SPAN STYLE=\"word-break: break-all;\"> An express and local train leave GraysLake at 3 P.M. and head for Chicago 50 miles away. The express travels twice as fast as the local and arrives 1 hour ahead of the local. Find the speed of each train. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #20650 by </B><A HREF=/tutors/aboutme.mpl?userid=Paul><B>Paul(988)</B></A><img src=\"/images/stars/stars-11.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Paul><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=20650\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Express trian  = 2x<BR>\n" );
document.write( "Loacl train = x<BR>\n" );
document.write( "Equation:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=50%2Fx-50%2F2x=1 ALIGN=MIDDLE  ALT=\"50%2Fx-50%2F2x=1\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "50[(2x)-(x)]=(x)(2x)<BR>\n" );
document.write( "50x=2x^2<BR>\n" );
document.write( "2x^2-50x=0<BR>\n" );
document.write( "x^2-25x=0<BR>\n" );
document.write( "Factor:<BR>\n" );
document.write( "x(x-25)=0<BR>\n" );
document.write( "x=25<BR>\n" );
document.write( "25(x)=50<BR>\n" );
document.write( "Hence, one traint travels at 50mph and another at 25mph.<BR>\n" );
document.write( "Paul.\r<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );