document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=865417>Question 865417</A>: <I><SPAN STYLE=\"word-break: break-all;\"> two train leave station P and Q, 110 km apart. train from P to Q travels at 25 km/hr and train from Q to P at 30 km/ hr. if they both start at 8 am, they will meet at? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #521680 by </B><A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><B>jim_thompson5910(35256)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><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=521680\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let t = time taken\r<BR>\n" );
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document.write( "Let's call the first train Train A. Train A goes from P to Q. The other train will be train B. Train B goes from Q to P\r<BR>\n" );
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document.write( "Train A travels 25t kilometers while train B travels 30t kilometers both in the same timespan t. After t hours, they will have traveled 25t+30t = 55t km\r<BR>\n" );
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document.write( "This must add up to 110 km for them to both cover the entire 110 km distance and meet somewhere in between. So 55t = 110. Divide both sides by 2 to get t = 110/55 = 2\r<BR>\n" );
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document.write( "So it takes 2 hours til they meet up. So they meet up at 8+2 = 10 am </SPAN>\n" );
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