document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=33850>Question 33850</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I am home schooling and do not have textbok curriculum:<BR>\n" );
document.write( "My problem is this:<BR>\n" );
document.write( "Two planes leave and airport at 10:00am. If the northbound plane flies at 280mph and the southbound plane flies at 320 mph, at what time will they be 1,000 miles apart?<BR>\n" );
document.write( "Thanks for your help! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #20244 by </B><A HREF=/tutors/aboutme.mpl?userid=venugopalramana><B>venugopalramana(3286)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=venugopalramana><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.geocities.com/venugopalramana/FREE_MATHS_ASSISTANCE.html valign=middle><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=20244\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Two planes leave and airport at 10:00am. If the northbound plane flies at 280mph and the southbound plane flies at 320 mph, at what time will they be 1,000 miles apart?\r<BR>\n" );
document.write( "\n" );
document.write( "THEY ARE GOING IN OPPOSITE DIRECTIONS.<BR>\n" );
document.write( "HENCE THIR RELATIVE SPEED =SUM OF THEIR SPEEDS...THAT IS IF PLANE 1 GOES NORTH 280 MILES IN 1 HOUR ,DURING THE SAME TIME IF PLANE 2 GOES SOUTH 320 MILES.SO IN 1 HOUR THEIR DISTANCE OF SEPERATION =280+320=600<BR>\n" );
document.write( "SO D=1000 MILES AS REQUIRED.<BR>\n" );
document.write( "SO TIME =DISTANCE /RELATIVE SPEED=1000/600=5/3 HRS=1.67 HRS.  </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );