document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=366321>Question 366321</A>: <I><SPAN STYLE=\"word-break: break-all;\"> It takes an airplane 1.5 hours to fly 600 km against the wind.  The return trip with the wind takes only 1 hour.  Find the total flying time for the round trip if there was no wind  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #260999 by </B><A HREF=/tutors/aboutme.mpl?userid=mananth><B>mananth(16946)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=mananth><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=mananth><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=260999\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> speed in still air = x mph<BR>\n" );
document.write( "speed of wind = y mph\r<BR>\n" );
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document.write( "600/(x-y)= 1.5<BR>\n" );
document.write( "1.5x-1.5y=600<BR>\n" );
document.write( "/1.5<BR>\n" );
document.write( "x-y=400....................1<BR>\n" );
document.write( "600/(x+y)= 1<BR>\n" );
document.write( "600 = x+y...................2<BR>\n" );
document.write( "add 1 & 2<BR>\n" );
document.write( "2x=1000<BR>\n" );
document.write( "/2<BR>\n" );
document.write( "x= 500 --------- speed in still air.<BR>\n" );
document.write( "Total distance = 1200 miles<BR>\n" );
document.write( "speed = 500 mph<BR>\n" );
document.write( "time when no wind = 1200/500<BR>\n" );
document.write( "=2.4 hours<BR>\n" );
document.write( "...<BR>\n" );
document.write( "m.ananth@hotmail.ca </SPAN>\n" );
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