document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=795255>Question 795255</A>: <I><SPAN STYLE=\"word-break: break-all;\"> An airplane makes a trip in 4 hours flying with a headwind.   The plane makes the trip back in 3.5 hours with a tailwind.  If the windspeed is 14 miles per hour, find the speed of the airplane. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #480921 by </B><A HREF=/tutors/aboutme.mpl?userid=Cromlix><B>Cromlix(4381)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Cromlix><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=Cromlix><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=480921\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Speed of airplane = x<BR>\n" );
document.write( "Flying with headwind = x - 14<BR>\n" );
document.write( "Flying with tailwind = x + 14<BR>\n" );
document.write( "4*(x - 14) = 3.5*(x + 14)<BR>\n" );
document.write( "4x - 56 = 3.5x + 49<BR>\n" );
document.write( "Collect like terms:<BR>\n" );
document.write( "4x - 3.5x = 49 + 56<BR>\n" );
document.write( "0.5x = 105<BR>\n" );
document.write( "x = 210 mph<BR>\n" );
document.write( "Hope this helps.<BR>\n" );
document.write( ":-) </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );