document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=890887>Question 890887</A>: <I><SPAN STYLE=\"word-break: break-all;\"> An aircraft flies downwind from A to B with speed of 400mph for 2 hours and returns in absence of wind in 2.5 hours. What is the wind speed?<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #539347 by </B><A HREF=/tutors/aboutme.mpl?userid=JulietG><B>JulietG(1812)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=JulietG><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=JulietG><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=539347\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> With the wind, the airplane travels 800 miles in 2 hours.<BR>\n" );
document.write( "Without the wind, the airplane travels 800 miles in 2.5 hours.<BR>\n" );
document.write( "800 / 2.5 = 320 mph, the speed of the plane.<BR>\n" );
document.write( "Therefore, the wind speed is 80 mph.  (400 - 320)<BR>\n" );
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document.write( "That's quite a tailwind! </SPAN>\n" );
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