document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=856933>Question 856933</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 1.Trains A and B are travelling on the same rotue heading towards the same destination.Train B has already covered a distance of 220km before the train 'A' started.<BR>\n" );
document.write( "2.The two trains meet each other after 11 hours after start of train 'A'<BR>\n" );
document.write( "3.Had the trains been travelling towards each other (from a distance of 220 km)<BR>\n" );
document.write( "they would have meet after one hour/<BR>\n" );
document.write( " what is the speed of train A and B in kmph\r<BR>\n" );
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document.write( "pls provide solution in detailed <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 #516332 by </B><A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><B>ankor@dixie-net.com(22740)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><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=ankor@dixie-net.com><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=516332\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 1.Trains A and B are travelling on the same route heading towards the same destination.<BR>\n" );
document.write( "Train B has already covered a distance of 220km before the train 'A' started.<BR>\n" );
document.write( "2.The two trains meet each other after 11 hours after start of train 'A'<BR>\n" );
document.write( "3.Had the trains been travelling towards each other (from a distance of 220 km)<BR>\n" );
document.write( "they would have meet after one hour/<BR>\n" );
document.write( "what is the speed of train A and B in kmph<BR>\n" );
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document.write( "let a = Train A's speed<BR>\n" );
document.write( "let b = Train B's speed<BR>\n" );
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document.write( "When they are going the same direction, their relative speed (a-b)<BR>\n" );
document.write( "When they are going toward each other their relative speed is (a+b)<BR>\n" );
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document.write( "Write a distance equation for each scenario; dist = time * speed<BR>\n" );
document.write( "1(a + b) = 220<BR>\n" );
document.write( "11(a - b) = 220<BR>\n" );
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document.write( "Simplify both equations, divide the 1st by 1, divide the 2nd by 11, you have:<BR>\n" );
document.write( "a + b = 220<BR>\n" );
document.write( "a - b = 20<BR>\n" );
document.write( "----------- addition eliminates b, find a<BR>\n" );
document.write( "2a = 240<BR>\n" );
document.write( "a = 240/2<BR>\n" );
document.write( "a = 120 km/h, the speed of train A<BR>\n" );
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document.write( "Find the speed of train B<BR>\n" );
document.write( "120 + b = 220<BR>\n" );
document.write( "b = 220 - 120<BR>\n" );
document.write( "b = 100 km/h the speed of train B<BR>\n" );
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