document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=815729>Question 815729</A>: <I><SPAN STYLE=\"word-break: break-all;\"> two trains 120m & 80m in length are running in opposite direction with velocities 42kmph and 30kmph. In what time will they will completely cross 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 #491180 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=491180\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Add the lengths of the trains = 200 = 0.2 km\r<BR>\n" );
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document.write( "add the speeds of the trains = 72\r<BR>\n" );
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document.write( "t= d/r\r<BR>\n" );
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document.write( "=0.2/72 hours\r<BR>\n" );
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document.write( "=0.00278 hours\r<BR>\n" );
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document.write( "=0.00278*3600\r<BR>\n" );
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document.write( "=10 seconds<BR>\n" );
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document.write( " </SPAN>\n" );
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