document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=553313>Question 553313</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A plane left an airport and flew with the wind for 4 hours, covering 2000 miles. It then returned over the same route to the airport against the same wind in 5 hours. Find the rate of the plane in still air and 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 #360790 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=360790\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A plane left an airport and flew with the wind for 4 hours, covering 2000 miles. It then returned over the same route to the airport against the same wind in 5 hours. Find the rate of the plane in still air and the speed of the wind.<BR>\n" );
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document.write( "2000/4 = 500 mi/hr<BR>\n" );
document.write( "2000/5 = 400 mi/hr<BR>\n" );
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document.write( "The plane's airspeed is the average, 450 mi/hr<BR>\n" );
document.write( "The windspeed is the difference, = 50 mi/hr<BR>\n" );
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