document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=223617>Question 223617</A>: <I><SPAN STYLE=\"word-break: break-all;\"> please help me with this porblem...\r<BR>\n" );
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document.write( "A passenger train travels 392 kilometres in the same time that it takes a freight train to travel 322 kilometres. If the passenger train travels 20 km/hr faster than the freight train, find the rate of each train.\r<BR>\n" );
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document.write( "thanks. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #167162 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=167162\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> please help me with this porblem... <BR>\n" );
document.write( "A passenger train travels 392 kilometres in the same time that it takes a freight train to travel 322 kilometres. If the passenger train travels 20 km/hr faster than the freight train, find the rate of each train. <BR>\n" );
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document.write( "Passenger train DATA:<BR>\n" );
document.write( "distance = 392 km ; rate = x+20 km/h ; time = d/r = 392/(x+2) hrs<BR>\n" );
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document.write( "Freight train DATA:<BR>\n" );
document.write( "distance = 322 km ; rate = x km/h ; time = d/r = 322/x hrs<BR>\n" );
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document.write( "Equation:<BR>\n" );
document.write( "time = time<BR>\n" );
document.write( "392/(x+2) = 322/x<BR>\n" );
document.write( "392x = 322*x + 322*2<BR>\n" );
document.write( "70x = 644<BR>\n" );
document.write( "x = 9.2 km/h (rate of the freight train)<BR>\n" );
document.write( "x+20 = 29.2 km/h (rate of the passenger train)<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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