document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=459283>Question 459283</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Trains A and B are traveling in the same direction on parallel tracks.  Train A is traveling at 100 miles per hour and Train A is traveling at 104 miles per hour.  Train A passes a station at 2:25 PM.  If train B passes the same station at 2:55 PM, at what time will Train B catch up to Train A?\r<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #314982 by </B><A HREF=/tutors/aboutme.mpl?userid=htmentor><B>htmentor(1343)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=htmentor><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=htmentor><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=314982\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Trains A and B are traveling in the same direction on parallel tracks.  Train A is traveling at 100 miles per hour and Train A is traveling at 104 miles per hour.  Train A passes a station at 2:25 PM.  If train B passes the same station at 2:55 PM, at what time will Train B catch up to Train A?<BR>\n" );
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document.write( "The RELATIVE speed of the two trains is 104 - 100 = 4 mph<BR>\n" );
document.write( "Train A has a 30 min. head start, so when train B passes the station, they are this far apart:<BR>\n" );
document.write( "100 mph * 0.5 h = 50 miles<BR>\n" );
document.write( "At the relative speed of 4 mph, it will take this long to cover the 52 miles:<BR>\n" );
document.write( "50 mi/4 mi/hr = 12.5 hrs<BR>\n" );
document.write( "So the time will be 2:55 pm + 12.5 hrs = 3:25 am (the next day)<BR>\n" );
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