document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=531211>Question 531211</A>: <I><SPAN STYLE=\"word-break: break-all;\"> An air rescue plane averages 300 miles per hour in still air. It carries fuel for 5 hours of flying time. If, upon takeoff, it encounters a head wind of 30 miles per hour, how far can it fly and return safely? (Assume that the wind remains constant) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #350405 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=350405\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> An air rescue plane averages 300 miles per hour in still air. It carries fuel for 5 hours of flying time. If, upon takeoff, it encounters a head wind of 30 miles per hour, how far can it fly and return safely? (Assume that the wind remains constant)<BR>\n" );
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document.write( "The plane's avg groundspeed for the round trip is<BR>\n" );
document.write( "2*330*270/(330 + 270) = 297 mi/hr<BR>\n" );
document.write( "Round trip distance = 5*297 = 1485 miles<BR>\n" );
document.write( "One way = 742.5 miles<BR>\n" );
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