document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=658694>Question 658694</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A freight train leaves a station and travels due east at a speed of 60 mph. One hour later, a passenger train leaves the same station and travels due east on a parallel track at a speed of 90 mph. How long will it take for the passenger train to overtake the freight train?  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #410425 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=410425\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Do it like this one.<BR>\n" );
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document.write( "A small plane leaves an airport and flies due south at 240km/h. A jet leaves the same airport 2 hours later and flies due south at 960km/h. How long does it take the jet to catch up to get to the small plane <BR>\n" );
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document.write( "In 2 hours, the 1st plane is 480 km away (240*2)<BR>\n" );
document.write( "The 2nd plane gains on the first at 720 km/hr (960 - 240)<BR>\n" );
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document.write( "d = r*t<BR>\n" );
document.write( "t = d/r<BR>\n" );
document.write( "480/720 = 2/3 hours to catch up<BR>\n" );
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