document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=224661>Question 224661</A>: <I><SPAN STYLE=\"word-break: break-all;\"> an airplane flying into a headwind travels 3000 miles in 6 hours and 15 minutes. on the return flight, the same distance is traveled in 5 hours. find the speed of the airplane 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 #167802 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=167802\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> d=rt<BR>\n" );
document.write( "r=d/t<BR>\n" );
document.write( "r=3,000/6.25=480 mph. against the wind.<BR>\n" );
document.write( "r=3000/5=600 mph. with the wind.<BR>\n" );
document.write( "(600-480)2=120/2=60 mph is the speed of the wind.<BR>\n" );
document.write( "Proof:<BR>\n" );
document.write( "600-60=540 mph for the plane in still air.<BR>\n" );
document.write( "480+60=540 ditto. </SPAN>\n" );
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