document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=140681>Question 140681</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Debbie traveled by boat 5 miles upstream to fish in her favorite spot. Because of the 6-mph current, it took her 20 minutes longer to get there than to return. How fast will her boat go in still water?  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #102420 by </B><A HREF=/tutors/aboutme.mpl?userid=scott8148><B>scott8148(6628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=scott8148><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=scott8148><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=102420\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> let x=\"speed in still water\" __ d=rt __ t=d/r\r<BR>\n" );
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document.write( "upstream __ t+(1/3)=5/(x-6)\r<BR>\n" );
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document.write( "downstream __ t=5/(x+6)\r<BR>\n" );
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document.write( "substituting __ [5/(x+6)]+(1/3)=5/(x-6) __ multiplying by 3(x+6)(x-6)<BR>\n" );
document.write( "__ 15(x-6)+(x+6)(x-6)=15(x+6)\r<BR>\n" );
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document.write( "15x-90+x^2-36=15x+90 __ x^2=216 __ x=sqrt(216) </SPAN>\n" );
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