document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=78636>Question 78636</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A plane leaves Chicago headed for Los Angeles at 540 mph.  One hour later, a second plane leaves Los Angeles headed for Chicago at 660 mph.  If the air route from Chicago to Los Angeles is 1800 miles, how long will it take for the first plane to pass the second plane?  How far from Chicago will they be at that time? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #56388 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley75><B>checkley75(3666)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley75><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=56388\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 540x+660(x-1)=1800<BR>\n" );
document.write( "540x+660x-660=1800<BR>\n" );
document.write( "1200x=1800+660<BR>\n" );
document.write( "1200x=2460<BR>\n" );
document.write( "x=2460/1200<BR>\n" );
document.write( "x=2.05 hours after the first place left Chicago the two planes will meet.<BR>\n" );
document.write( "proof<BR>\n" );
document.write( "540*2.05+660(2.05-1)=1800<BR>\n" );
document.write( "1107+660(1.05)=1800<BR>\n" );
document.write( "1107+693=1800<BR>\n" );
document.write( "1800=1800<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );