document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=766272>Question 766272</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A local train leaves a city, traveling east at 70 km/h. One hour later, an express train leaves the same station on a parallel track at 120 km/h. How far from the city will the trains meet? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #466783 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=466783\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A local train leaves a city, traveling east at 70 km/h. One hour later, an express train leaves the same station on a parallel track at 120 km/h. How far from the city will the trains meet?<BR>\n" );
document.write( "***<BR>\n" );
document.write( "let x=travel time(hrs) of 120 km/h train<BR>\n" );
document.write( "x+1=travel time(hrs) of 70 km/h train<BR>\n" );
document.write( "distance=speed*travel time(same for both trains)<BR>\n" );
document.write( "..<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=120x=70%28x%2B1%29=70x%2B70 ALIGN=MIDDLE  ALT=\"120x=70%28x%2B1%29=70x%2B70\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "50x=70<BR>\n" );
document.write( "x=7/5<BR>\n" );
document.write( "distance=7/5*120=168 km<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );