document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1188498>Question 1188498</A>: <I><SPAN STYLE=\"word-break: break-all;\"> An airplane travels 870 miles in 3 hours with the wind.  That same plane traveled 690 miles against the wind.  How fast was the plane flying and how fast was the wind?\r<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #819598 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=819598\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> An airplane travels 870 miles in 3 hours with the wind.  That same plane traveled 690 miles against the wind.  How fast was the plane flying and how fast was the wind?<BR>\n" );
document.write( "===============<BR>\n" );
document.write( "Assuming the 690 miles also took 3 hours:<BR>\n" );
document.write( "--------------<BR>\n" );
document.write( "Find the 2 groundspeeds, downwind and upwind.  The plane's airspeed is the average of the 2.<BR>\n" );
document.write( "----<BR>\n" );
document.write( "Windspeed is the difference between groundspeed and airspeed. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );