document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=196292>Question 196292</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Two trains leave the station at the same time going in opposite directions.  One train is going 72 km/hr and the other is going 68 km/hr.  After how long will <BR>\n" );
document.write( "the trains be 560 km apart? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #147257 by </B><A HREF=/tutors/aboutme.mpl?userid=nerdybill><B>nerdybill(7384)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=nerdybill><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=nerdybill><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=147257\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Two trains leave the station at the same time going in opposite directions. One train is going 72 km/hr and the other is going 68 km/hr. After how long will<BR>\n" );
document.write( "the trains be 560 km apart?<BR>\n" );
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document.write( "Apply the distance formula: d = rt<BR>\n" );
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document.write( "Let x = time traveled in hours<BR>\n" );
document.write( "then<BR>\n" );
document.write( "72x + 68x = 560<BR>\n" );
document.write( "140x = 560<BR>\n" );
document.write( "x = 4 hours </SPAN>\n" );
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