document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1155140>Question 1155140</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A plane traveled 644 miles each way to Toronto and back. The trip there was with the wind. It took 7 hours. The trip back was into the wind. The trip back took 14 hours. What is the speed of the plane in still air? What is 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 #777712 by </B><A HREF=/tutors/aboutme.mpl?userid=greenestamps><B>greenestamps(13203)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=greenestamps><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=greenestamps><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=777712\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <br><BR>\n" );
document.write( "The speed with the wind was 644/7 = 92mph; the speed against the wind was 644/14 = 46mph.<br><BR>\n" );
document.write( "Solve the rest of the problem using logical reasoning and simple arithmetic.<br><BR>\n" );
document.write( "The speed of the wind added to the speed of the plane is 92mph; the speed of the wind subtracted from the speed of the plane is 46mph.<br><BR>\n" );
document.write( "That means the speed of the plane is halfway between 46mph and 92mph: 69mph.<br><BR>\n" );
document.write( "And that means the speed of the wind was 69-46 = 23mph.<br><BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );