document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=246970>Question 246970</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Anna flies back and forth between 2 cities that are 1680 miles apart. It takes 4 hours to fly going into the wind and 3.5 hours with the wind. Find the wind speed and the speed of the plane in still air.\r<BR>\n" );
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document.write( "Thanks! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #180272 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley77><B>checkley77(12844)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley77><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=180272\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 1,680/4=420 mph.<BR>\n" );
document.write( "1,680/3.5=480 mph.<BR>\n" );
document.write( "(480-420)/2=60/2=30 mph. is the speed of the wind.<BR>\n" );
document.write( "480-30=450 mph. is the speed of the plane in still air.<BR>\n" );
document.write( "420+30=450 ditto. </SPAN>\n" );
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