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 #403495 by </B><A HREF=/tutors/aboutme.mpl?userid=josmiceli><B>josmiceli(19441)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josmiceli><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=josmiceli><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=403495\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> I think of one train as standing still and the other<BR>\n" );
document.write( "traveling at the sum of their speeds<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+780+=+%28+120+%2B+140+%29%2At+ ALIGN=MIDDLE  ALT=\"+780+=+%28+120+%2B+140+%29%2At+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+780+=+260t+ ALIGN=MIDDLE  ALT=\"+780+=+260t+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+t+=+3+ ALIGN=MIDDLE  ALT=\"+t+=+3+\"   DISABLED_style= \"max-width:90%; height:auto;\" > <BR>\n" );
document.write( "3 PM + 3 hrs is 6 PM<BR>\n" );
document.write( "check:<BR>\n" );
document.write( "In 3 hrs, slower train travels<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+120%2A3+=+360+ ALIGN=MIDDLE  ALT=\"+120%2A3+=+360+\"   DISABLED_style= \"max-width:90%; height:auto;\" > km<BR>\n" );
document.write( "faster train travels<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+140%2A3+=+420+ ALIGN=MIDDLE  ALT=\"+140%2A3+=+420+\"   DISABLED_style= \"max-width:90%; height:auto;\" > km<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+360+%2B+420+=+780+ ALIGN=MIDDLE  ALT=\"+360+%2B+420+=+780+\"   DISABLED_style= \"max-width:90%; height:auto;\" > km<BR>\n" );
document.write( "OK </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );