document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=639378>Question 639378</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Two trains left a station at the same time. One traveled north at a certain speed and the other traveled south twice the speed. After 4 hours, the trains were 600 miles apart. How fast was each train traveling? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #402707 by </B><A HREF=/tutors/aboutme.mpl?userid=mananth><B>mananth(16946)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=mananth><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=mananth><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=402707\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Train I speed =x mph<BR>\n" );
document.write( "Train II speed = 2x mph\r<BR>\n" );
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document.write( "Combined speed = 3x\r<BR>\n" );
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document.write( "time = 4 hours<BR>\n" );
document.write( "distance = 600 miles\r<BR>\n" );
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document.write( "distance = time * speed<BR>\n" );
document.write( "600 = 4*3x<BR>\n" );
document.write( "600=12x<BR>\n" );
document.write( "/12<BR>\n" );
document.write( "x=50\r<BR>\n" );
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document.write( "Train I 50 mph<BR>\n" );
document.write( "Train II = 50*2 = 100 mph </SPAN>\n" );
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