document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=951631>Question 951631</A>: <I><SPAN STYLE=\"word-break: break-all;\"> flying against the wind, a jet travels 2520 km in 4 hours. Flying with the wind, the same jet travels 6960 km in 8 hours. what is the rate of the jet in still air and what is the rate of the wind.\r<BR>\n" );
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document.write( "rate in still air ___ km h\r<BR>\n" );
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document.write( "rate of the wind ___ km h </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #581198 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=581198\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Here's a solution to a similar problem.<BR>\n" );
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document.write( "A motor boat can travel 45 kilometers downstream in 2 hours and 30 minutes and 39 kilometers upstream in 3 hours and 15 minutes. what is the speed of the boat in still water? what is the speed of the current?<BR>\n" );
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document.write( "Find the 2 \"groundspeeds.\"<BR>\n" );
document.write( "The boat's speed wrt the water is the average of the 2.<BR>\n" );
document.write( "The current is the difference between the boat's speed and groundspeed.<BR>\n" );
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