document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=177581>Question 177581</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Thanks for your considration.     A six passenger plane cruises at 180mph in calm air. if the plane flies 7miles with the wind in the same amount of time as it flies 5miles against the wind, then what is the wind speed? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #132623 by </B><A HREF=/tutors/aboutme.mpl?userid=edjones><B>edjones(8007)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=edjones><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=edjones><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=132623\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> d=st<BR>\n" );
document.write( "t=d/s<BR>\n" );
document.write( "s=180<BR>\n" );
document.write( "Let the wind speed be w<BR>\n" );
document.write( "because the time it takes is equal d/s =d/s<BR>\n" );
document.write( "7/(180+w) = 5/(180-w)<BR>\n" );
document.write( "7(180-w)=5(180+w)<BR>\n" );
document.write( "1260-7w=900+5w<BR>\n" );
document.write( "12w=360<BR>\n" );
document.write( "w=30mph<BR>\n" );
document.write( ".<BR>\n" );
document.write( "Ed<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );