document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=781619>Question 781619</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Suppose a boat is traveling 44 mph up a very long river. The river is flowing at a rate of 4 mph downstream. Assuming the boat continues at a constant speed and the river continues to flow at a constant rate, how long will it take to travel 200 miles upstream? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #476015 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=476015\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Suppose a boat is traveling 44 mph up a very long river. The river is flowing at a rate of 4 mph downstream. Assuming the boat continues at a constant speed and the river continues to flow at a constant rate, how long will it take to travel 200 miles upstream?<BR>\n" );
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document.write( "The boat's groundspeed, or speed with respect to the Earth is 44 - 4 = 40 mi/hr.<BR>\n" );
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document.write( "d = r*t<BR>\n" );
document.write( "t = d/r<BR>\n" );
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