document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=645393>Question 645393</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A train,120m long,travelling at 78km/hr overtakes another train in the same direction at 60km/hr and passes it completely 70seconds.find the length of the 2nd train. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #405511 by </B><A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><B>ankor@dixie-net.com(22740)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><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=ankor@dixie-net.com><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=405511\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A train, 120m long,traveling at 78km/hr overtakes another train in the same<BR>\n" );
document.write( " direction at 60km/hr and passes it completely 70 seconds.<BR>\n" );
document.write( "find the length of the 2nd train\<BR>\n" );
document.write( ":<BR>\n" );
document.write( "let x = the length of the 2nd train.<BR>\n" );
document.write( "Change the speeds into meter/sec<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%2878%2A1000%29%2F3600 ALIGN=MIDDLE  ALT=\"%2878%2A1000%29%2F3600\"   DISABLED_style= \"max-width:90%; height:auto;\" > = 21.67 m/sec<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%2860%2A1000%29%2F3600 ALIGN=MIDDLE  ALT=\"%2860%2A1000%29%2F3600\"   DISABLED_style= \"max-width:90%; height:auto;\" > = 16.67 m/sec<BR>\n" );
document.write( ":<BR>\n" );
document.write( "Write a time equation, time = dist/speed<BR>\n" );
document.write( ":<BR>\n" );
document.write( "Length of the two trains divided by the relative speed = 70 seconds <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28120%2Bx%29%2F%2821.67-16.67%29 ALIGN=MIDDLE  ALT=\"%28120%2Bx%29%2F%2821.67-16.67%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > = 70<BR>\n" );
document.write( ":<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28120%2Bx%29%2F5 ALIGN=MIDDLE  ALT=\"%28120%2Bx%29%2F5\"   DISABLED_style= \"max-width:90%; height:auto;\" > = 70<BR>\n" );
document.write( "120 + x = 5(70)<BR>\n" );
document.write( "x = 350 - 120<BR>\n" );
document.write( "x = 230 meters the length of the 2nd train </SPAN>\n" );
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