document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=640960>Question 640960</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 2 towns are 780km apart. 2 super fast trains leave from both the towns at 3pm towards each other at speed of 120km/h and 140km/h. At what time will they pass each other? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #403494 by </B><A HREF=/tutors/aboutme.mpl?userid=lwsshak3><B>lwsshak3(11628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=lwsshak3><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=403494\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 2 towns are 780km apart. 2 super fast trains leave from both the towns at 3pm towards each other at speed of 120km/h and 140km/h. At what time will they pass each other?<BR>\n" );
document.write( "*<BR>\n" );
document.write( "let x=distance slower train traveled<BR>\n" );
document.write( "780-x=distance faster train traveled<BR>\n" );
document.write( "travel time=distance/speed (same for both trains<BR>\n" );
document.write( "..<BR>\n" );
document.write( "x/120=(780-x)/140<BR>\n" );
document.write( "140x=120(780-x)<BR>\n" );
document.write( "140x=93600-120x<BR>\n" );
document.write( "260x=93600<BR>\n" );
document.write( "x=93600/260=360<BR>\n" );
document.write( "780-x=420<BR>\n" );
document.write( "travel time=360/120=420/140=3 hrs<BR>\n" );
document.write( "trains will  pass each other at 6 pm </SPAN>\n" );
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