document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=591077>Question 591077</A>: <I><SPAN STYLE=\"word-break: break-all;\"> If a plane can travel 500 miles per hour with the wind 400 miles per hour against the wind, find the speed of the plane without a wind and the speed of the wind?  What is 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 #375478 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=375478\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> If a plane can travel 500 miles per hour with the wind 400 miles per hour against the wind, find the speed of the plane without a wind and the speed of the wind?  What is the speed of the plane in still air?<BR>\n" );
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document.write( "The \"speed of the plane without a wind\" is called the airspeed, and it's the average of the 2 groundspeeds.<BR>\n" );
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document.write( "The windspeed is the difference between airspeed and groundspeed.<BR>\n" );
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