document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1088110>Question 1088110</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A plane makes a trip of 560 miles in 2.5 hours with the advantage of a tail wind.  On the return trip the plane requires a 3 hour flying time against the wind.  Find the speed of the wind and the speed of the plane in still air. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #702373 by </B><A HREF=/tutors/aboutme.mpl?userid=jorel1380><B>jorel1380(3719)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jorel1380><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=jorel1380><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=702373\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let p be the speed of the plane, and w be the speed of the wind. Then:<BR>\n" );
document.write( "560/p+w=2.5<BR>\n" );
document.write( "560/p-w=3<BR>\n" );
document.write( "So:<BR>\n" );
document.write( "2.5p+2.5w=560<BR>\n" );
document.write( "3p-3w=560<BR>\n" );
document.write( "7.5p+7.5w=1680<BR>\n" );
document.write( "7.5p-7.5w=1400<BR>\n" );
document.write( "15p=3080<BR>\n" );
document.write( "p=205.333<BR>\n" );
document.write( "w=18.666<BR>\n" );
document.write( "&#9786;&#9786;&#9786;&#9786; </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );