document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=974580>Question 974580</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Meg rowed her boat upstream a distance of 20 miles and then rowed back to the starting point. The total time of the trip was 12 hours. If the rate of the current was 4 mph, find the average speed of the boat relative to the water  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #596449 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39620)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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=596449\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Generalization in this data table\r<BR>\n" );
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document.write( "_____________________speed___________time___________distance<BR>\n" );
document.write( "UPST_________________r-c_____________u______________d<BR>\n" );
document.write( "DOWN_________________r+c_____________v______________d<BR>\n" );
document.write( "Total________________________________t\r<BR>\n" );
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document.write( "Uniform Rates, Travel,  RT=D relating rate, time, distance.\r<BR>\n" );
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document.write( "The known variables are c, d, t.<BR>\n" );
document.write( "Not known either are u and v.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=system%28%28r-c%29u=d%2C%28r%2Bc%29v=d%2Cu%2Bv=t%29 ALIGN=MIDDLE  ALT=\"system%28%28r-c%29u=d%2C%28r%2Bc%29v=d%2Cu%2Bv=t%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Solve your system for r. </SPAN>\n" );
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