document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=503643>Question 503643</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A car leaves a train depot at 1:00pm and travels at 60mph. A train leaves the same station 1 1/2hrs later and travels at 80mph in the same direction as the car. At what time will the train overtake the car?<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 #339332 by </B><A HREF=/tutors/aboutme.mpl?userid=oberobic><B>oberobic(2304)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=oberobic><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=339332\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> d = rt is the fundamental distance equation.<BR>\n" );
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document.write( "Train 1:<BR>\n" );
document.write( "d = 60 mph * t hrs<BR>\n" );
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document.write( "Train 2:<BR>\n" );
document.write( "d = 80 mph * (t-1.5) hrs<BR>\n" );
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document.write( "When Train 2 catches up to Train 1, they have traveled the same distance:  d=d.<BR>\n" );
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document.write( "60t = 80(t-1.5)<BR>\n" );
document.write( "60t = 80t - 120<BR>\n" );
document.write( "-20t = -120<BR>\n" );
document.write( "t = 6<BR>\n" );
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document.write( "So, the first train travels for 6 hr at 60 mph = 360 miles.<BR>\n" );
document.write( "and<BR>\n" );
document.write( "the second train travels for 4.5 hr at 80 mph = 360 miles.<BR>\n" );
document.write( "Correct.<BR>\n" );
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document.write( "Re-read the question to make sure you answer it.<BR>\n" );
document.write( "What time with Train 2 overtake Train 1?<BR>\n" );
document.write( "Well, Train 1 left at 1 p.m. and traveled for 6 hr = 7 p.m.<BR>\n" );
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document.write( "Answer:  Train 2 will overtake Train 1 at 7 p.m.<BR>\n" );
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document.write( "Done. </SPAN>\n" );
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