document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=698858>Question 698858</A>: <I><SPAN STYLE=\"word-break: break-all;\"> They often fly from Philly to Chicago, a distance of 780 miles.<BR>\n" );
document.write( "On one particular trip they fly into the wind and the flight takes 2 hours<BR>\n" );
document.write( "The return trip, with the wind is behind them, only takes 2 hours. <BR>\n" );
document.write( "If the wind speed is the same on each trip,<BR>\n" );
document.write( "Find the speed of the wind and<BR>\n" );
document.write( "Find 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 #431077 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=431077\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> They often fly from Philly to Chicago, a distance of 780 miles.<BR>\n" );
document.write( "On one particular trip they fly into the wind and the flight takes 2 hours<BR>\n" );
document.write( "The return trip, with the wind is behind them, only takes 2 hours. <BR>\n" );
document.write( "If the wind speed is the same on each trip,<BR>\n" );
document.write( "Find the speed of the wind and<BR>\n" );
document.write( "Find the speed of the plane in still air.<BR>\n" );
document.write( "--------------------<BR>\n" );
document.write( "Same time --> no wind<BR>\n" );
document.write( "-------------<BR>\n" );
document.write( "Find the speed of the plane in still air.<BR>\n" );
document.write( "THAT'S CALLED AIRSPEED, NOT the speed of the plane in still air.<BR>\n" );
document.write( "= 780/2 = 390 mi/hr\r<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );