document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1064223>Question 1064223</A>: <I><SPAN STYLE=\"word-break: break-all;\"> flying in still air, an airplane travels 550 km/h. it can travel 1200 kn with the wind in the same time that it travels 1000 km against the wind. find the speed of the wind </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #679274 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=679274\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let w be the speed of the wind. Then:<BR>\n" );
document.write( "1200/550+w=1000/550-w<BR>\n" );
document.write( "550000+1000w=660000-1200w<BR>\n" );
document.write( "2200w=110000<BR>\n" );
document.write( "w=50<BR>\n" );
document.write( "The speed of the wind is 50 kph. &#9786;&#9786;&#9786;&#9786; </SPAN>\n" );
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