document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=363412>Question 363412</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A passenger plane and a cargo plane leave at the same time from the same airport but travel in opposite directions.  The passenger travels at twice the speed of the cargo plane.  Find the speed of each plane if they are 2400 miles apart in 4 hours. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #259223 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley77><B>checkley77(12844)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley77><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=259223\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> D=RT<BR>\n" );
document.write( "2,400=(X+2X)4<BR>\n" );
document.write( "2,400=3X*4<BR>\n" );
document.write( "2,400=12X<BR>\n" );
document.write( "12X=2,400<BR>\n" );
document.write( "X=2,400/12<BR>\n" );
document.write( "X=200 MP FOR THE SLOWER PLANE.<BR>\n" );
document.write( "2*200=400 MPH FOR THE FASTER PLANE.<BR>\n" );
document.write( "PROOF:<BR>\n" );
document.write( "2,400=(200+400)4<BR>\n" );
document.write( "2,400=600*4<BR>\n" );
document.write( "2,400=2,400 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );