document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=807588>Question 807588</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Two trains (local and express) start at the same time going from A to B<BR>\n" );
document.write( "The express train travels 120km and averages 20km per hour faster than the local train. If the local train still has 80km to go when the express train arrives at B, what is the average speed of the express train?\r<BR>\n" );
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document.write( "D=RT<BR>\n" );
document.write( "express train 120km, rate is x+20...time is 120/x+20\r<BR>\n" );
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document.write( "local train is 40km..rate is x...time is 40/x<BR>\n" );
document.write( "i think im off to the right start...help! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #486397 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=486397\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Two trains (local and express) start at the same time going from A to B<BR>\n" );
document.write( "The express train travels 120km and averages 20km per hour faster than the local train. If the local train still has 80km to go when the express train arrives at B, what is the average speed of the express train? <BR>\n" );
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document.write( "Express Train DATA:<BR>\n" );
document.write( "rate = 120 km/hr ; time = t hrs ; distance = 120t km<BR>\n" );
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document.write( "Local Train DATA::<BR>\n" );
document.write( "rate = 100 km/hr ; time = t hrs ; distance = 100t km<BR>\n" );
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document.write( "Equation:<BR>\n" );
document.write( "express dist - local distance = 80 km<BR>\n" );
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document.write( "120t - 100t = 80<BR>\n" );
document.write( "20t = 80<BR>\n" );
document.write( "time = 4 hrs<BR>\n" );
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document.write( "Ans: Average speed of the express train = 120 km/hr<BR>\n" );
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document.write( "Note: Are you sure you posted the right question for the problem?<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( "==================== </SPAN>\n" );
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