document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=763161>Question 763161</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A freight train and an express train leave towns 390 km apart, traveling toward one another. The freight train traveles 30 km per hr slower than the express train. They pass one another 3 hrs later. what are their speeds? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #464566 by </B><A HREF=/tutors/aboutme.mpl?userid=lwsshak3><B>lwsshak3(11628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=lwsshak3><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=464566\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A freight train and an express train leave towns 390 km apart, traveling toward one another. The freight train traveles 30 km per hr slower than the express train. They pass one another 3 hrs later. what are their speeds?<BR>\n" );
document.write( "***<BR>\n" );
document.write( "let x=speed of express train<BR>\n" );
document.write( "x-30 speed of freight train<BR>\n" );
document.write( "distance=speed*travel time<BR>\n" );
document.write( "..<BR>\n" );
document.write( "3x+3(x-30)=390<BR>\n" );
document.write( "3x+3x-90=390<BR>\n" );
document.write( "6x=480<BR>\n" );
document.write( "x=80<BR>\n" );
document.write( "x-30=50<BR>\n" );
document.write( "speed of express train=80 km/hr<BR>\n" );
document.write( "speed of freight train=50 km/hr </SPAN>\n" );
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