document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=36887>Question 36887</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Flying against the jetstream, a jet travels 6390 km in 9 hours. Flying with the jetstream, the same jet travels 5150 km  in 5 hours. What is the speed of the jet in still air, and what is the speed of the jetstream? <BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #22663 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=22663\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Flying against the jetstream, a jet travels 6390 km in 9 hours. Flying with the jetstream, the same jet travels 5150 km in 5 hours. What is the speed of the jet in still air, and what is the speed of the jetstream? \r<BR>\n" );
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document.write( "Against the wind Data:<BR>\n" );
document.write( "distance=6390km; time=9 hrs; rate=710kph<BR>\n" );
document.write( "With the wind Data:<BR>\n" );
document.write( "distance=5150km; time=5hrs; rate=1030kph<BR>\n" );
document.write( "EQUATIONS:<BR>\n" );
document.write( "airspeed+jetstream=1030<BR>\n" );
document.write( "airspeed-jetstream=710<BR>\n" );
document.write( "Subtract these equations to get:<BR>\n" );
document.write( "2jetstream=320kph<BR>\n" );
document.write( "jetstream=160mph\r<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.\r<BR>\n" );
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