document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=372700>Question 372700</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A man flies an airplane from Fargo to Bismark -- a distance of 180 mi. Because he is flying into a head wind, the trip takes 2 hours. On the way back, the wind is blowing the same speed, so it takes an 1 hour and 48 mins.  What is his speed in still air and how fast is the wind blowing? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #265439 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=265439\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A man flies an airplane from Fargo to Bismark -- a distance of 180 mi. Because he is flying into a head wind, the trip takes 2 hours. On the way back, the wind is blowing the same speed, so it takes an 1 hour and 48 mins. What is his speed in still air and how fast is the wind blowing?<BR>\n" );
document.write( "---------------<BR>\n" );
document.write( "Upwind, the groundspeed = 180/2 = 90 mph<BR>\n" );
document.write( "Downwind, = 180/1.8 = 100 mph<BR>\n" );
document.write( "The \"speed in still air\" is the airspeed, and it's the average = 95 mph<BR>\n" );
document.write( "The windspeed is the difference = 5 mph<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );