document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=570751>Question 570751</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Two trains start from stations that are 900 miles apart and travel toward each other on parallel tracks.  One train averages 55 miles per hour, and the other train averages 65 miles per hour.  How long will it take for the two trains to be 120 miles apart? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #367752 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=367752\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> the trains are travelling towards each other so the effective speed = 55+65=120 mph\r<BR>\n" );
document.write( "\n" );
document.write( "they have to travel together 900-120 miles= 780 miles\r<BR>\n" );
document.write( "\n" );
document.write( "t= d/r<BR>\n" );
document.write( "t= 780/120\r<BR>\n" );
document.write( "\n" );
document.write( "t= 6.5 hours </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );