document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=99122>Question 99122</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I am having trouble with this problem  Please Help: <BR>\n" );
document.write( "Two planes leave Philadelphia at the same time.  One heads due south toward Atlanta;  the other heads due north toward Boston.  The Atlant bound plane flies 50 mph faster than the other. In 1/2 hour the pplanes are 275 miles apart.  What are their speeds? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #72131 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley71><B>checkley71(8403)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley71><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=72131\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> .5(S+50)+.5S=275<BR>\n" );
document.write( ".5S+25+.5S=275<BR>\n" );
document.write( "S=275-25<BR>\n" );
document.write( "S=250 MPH. ANSWER FOR THE SPEED OF THE SLOWER PLANE<BR>\n" );
document.write( "250+50=300 MPH. FOR THE FASTER PLANE.<BR>\n" );
document.write( "PROOF<BR>\n" );
document.write( ".5*300+.5*250=275<BR>\n" );
document.write( "150+125=275<BR>\n" );
document.write( "275=275 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );