document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=173454>Question 173454</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Not sure if this is the appropiate topic but.<BR>\n" );
document.write( "A motorboat travels 325km in 5 hours going upstream and 534 km in 6 hours going downstream. What is the speed of the boat in still water and what is the speed of the current?  I don't understand this. How can still water have a speed? I am totally lost. Van you help me figure this out? Thanks, Judy </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #128313 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=128313\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A motorboat travels 325km in 5 hours going upstream and 534 km in 6 hours going downstream. What is the speed of the boat in still water and what is the speed of the current?<BR>\n" );
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document.write( "It is not still water; it is moving water, or current.<BR>\n" );
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document.write( "Upstream DATA:<BR>\n" );
document.write( "distance = 325 km ; time = 5 hrs; rate = d/t = 325/5 = 65 km/h<BR>\n" );
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document.write( "Downstream DATA;<BR>\n" );
document.write( "distance = 534 km ; time = 6 hrs ; rate = d/t = 534/6 = 267/3  = 89 km/h<BR>\n" );
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document.write( "EQUATIONS: <BR>\n" );
document.write( "b + c = 89<BR>\n" );
document.write( "b - c = 65<BR>\n" );
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document.write( "Add to solve for b: (b is the speed of the boat in still water)<BR>\n" );
document.write( "2b = 154 <BR>\n" );
document.write( "b = 77 km/h (speed of the boat in still water)<BR>\n" );
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document.write( "If b+c = 89 then c = 12 km/h (speed of the current)<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.   </SPAN>\n" );
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