document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=389200>Question 389200</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A passenger train traveled at a sped of 72km/h. A man on the passenger train observed a goods train traveling at a speed of 54km/h in the opposite direction. If the goods train passed him in 8 seconds, find the length of the goods train. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #275732 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=275732\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Relative to the man on the train, the 2 trains are moving apart <BR>\n" );
document.write( "at the sum of their speeds, or <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=72+%2B+54+=+126 ALIGN=MIDDLE  ALT=\"72+%2B+54+=+126\"   DISABLED_style= \"max-width:90%; height:auto;\" > km/hr<BR>\n" );
document.write( "Let <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=s ALIGN=MIDDLE  ALT=\"s\"   DISABLED_style= \"max-width:90%; height:auto;\" > = the length of the other train.<BR>\n" );
document.write( "In <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=8 ALIGN=MIDDLE  ALT=\"8\"   DISABLED_style= \"max-width:90%; height:auto;\" > sec, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=s+=+126%2A%288%2F3600%29 ALIGN=MIDDLE  ALT=\"s+=+126%2A%288%2F3600%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >km<BR>\n" );
document.write( "(note that <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3600 ALIGN=MIDDLE  ALT=\"3600\"   DISABLED_style= \"max-width:90%; height:auto;\" > is the number of seconds in an hour)<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=s+=+.28 ALIGN=MIDDLE  ALT=\"s+=+.28\"   DISABLED_style= \"max-width:90%; height:auto;\" >km<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=s+=+280 ALIGN=MIDDLE  ALT=\"s+=+280\"   DISABLED_style= \"max-width:90%; height:auto;\" > m  <BR>\n" );
document.write( " </SPAN>\n" );
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