document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1147897>Question 1147897</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Hi<BR>\n" );
document.write( "a train is travelling at 100km per hour and catches up to a car which is travelling at 64km per hour on the road parallel to the railway track. If it takes 40sec for all the train to pass the car, how long is the train.\r<BR>\n" );
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document.write( "Thanks </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #769236 by </B><A HREF=/tutors/aboutme.mpl?userid=VFBundy><B>VFBundy(438)</B></A><img src=\"/images/stars/stars-10.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=VFBundy><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=VFBundy><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=769236\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Distance (length of train) = d<BR>\n" );
document.write( "Rate = 36 kph (difference in speed between the two trains)<BR>\n" );
document.write( "Time = 1/90 hour (see explanation below)<BR>\n" );
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document.write( "<i>40 seconds = 40 * 1/60 minute = 40/60 minutes = 2/3 minute<BR>\n" );
document.write( "2/3 minute = 2/3 * 1/60 hour = 2/180 hours = 1/90 hour</i><BR>\n" );
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document.write( "We are looking for the distance (length of train), so use the equation: <BR>\n" );
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document.write( "d = r * t<BR>\n" );
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document.write( "d = 36 * 1/90 = 36/90 = 2/5 km<BR>\n" );
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document.write( "So, the train is 2/5 km long. </SPAN>\n" );
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