document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=228200>Question 228200</A>: <I><SPAN STYLE=\"word-break: break-all;\"> a train leaves town a for town b, traveling at 35 mi/h. at the same time, a second train leaves town b for town a at 45 mi/h. if the towns are 320 miles apart, how long will it take for the two trains to meet? so this is the problem I need to solve. I know d= rt  I represented train 1 as x and train 2 as x-10 since it went 10 mi/h slower. added them 2x-10=320 for miles apart came up with 165 miles but question was how long not miles. I am lost as to proper steps </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #169450 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=169450\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> a train leaves town a for town b, traveling at 35 mi/h. at the same time, a second train leaves town b for town a at 45 mi/h. if the towns are 320 miles apart, how long will it take for the two trains to meet? <BR>\n" );
document.write( "-------------<BR>\n" );
document.write( "a to b DATA:<BR>\n" );
document.write( "rate = 35 mph ; distance = x miles ; time = d/r = x/35 hrs<BR>\n" );
document.write( "---------------<BR>\n" );
document.write( "b to a DATA:<BR>\n" );
document.write( "rate = 45 mph ; distance = 320-x miles ; time = d/r = (320-x)/45 hrs<BR>\n" );
document.write( "---------------<BR>\n" );
document.write( "Equation:<BR>\n" );
document.write( "time = time<BR>\n" );
document.write( "x/35 = (320-x)/45<BR>\n" );
document.write( "45x = 35*320-35x<BR>\n" );
document.write( "80x = 35*320<BR>\n" );
document.write( "x = 140 miles <BR>\n" );
document.write( "--------------<BR>\n" );
document.write( "time = d/r = 140/35 = 4 hrs (time before the trains meet)<BR>\n" );
document.write( "===========================================================<BR>\n" );
document.write( "Another way to work the problem:<BR>\n" );
document.write( "The combined rates of the two trains is 35+45 = 80 mph<BR>\n" );
document.write( "The time for them together to cover 320 miles is 320/80 = 4 hrs.<BR>\n" );
document.write( "===========================================================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.\r<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );