document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1056610>Question 1056610</A>: <I><SPAN STYLE=\"word-break: break-all;\"> An airplane travels at a rate of 300 miles per hour in still air. One day it travels 1200 miles against<BR>\n" );
document.write( "the wind in the same amount of time it takes to travel 1800 miles with the wind. What is the wind<BR>\n" );
document.write( "speed?\r<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #671695 by </B><A HREF=/tutors/aboutme.mpl?userid=Boreal><B>Boreal(15235)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Boreal><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=Boreal><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=671695\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 300-wind mph to go 1200 miles takes 1200/(300-w) hours<BR>\n" );
document.write( "300+w mph to go 1800 miles takes (1800/(300+w) hours<BR>\n" );
document.write( "The two times are equal<BR>\n" );
document.write( "1200/(300-w)=1800/(300+w)<BR>\n" );
document.write( "540000-1800w=360000+1200w<BR>\n" );
document.write( "180000=3000w<BR>\n" );
document.write( "wind is 60 mph<BR>\n" );
document.write( "360 mph in 5 hours goes 1800 miles<BR>\n" );
document.write( "240 mph in 5 hours goes 1200 miles<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );