document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=880679>Question 880679</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A boat traveled 198 miles downstream and back. The trip downstream took 11 hours. The trip back took 33 hours. What is the speed of the boat in still water? I would really like to know how to work this problem out. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #531613 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39625)</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=531613\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> RT=D rate time distance.\r<BR>\n" );
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document.write( "r = boat speed without a current<BR>\n" );
document.write( "c = speed of current\r<BR>\n" );
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document.write( "__________________speed______________time_________distance<BR>\n" );
document.write( "DOWN______________r+c________________11___________198<BR>\n" );
document.write( "UP________________r-c________________33___________198\r<BR>\n" );
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document.write( "Travel uniform rates law allows the system:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight_green%28%28r%2Bc%29%2A11=198%29 ALIGN=MIDDLE  ALT=\"highlight_green%28%28r%2Bc%29%2A11=198%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > and <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight_green%28%28r-c%29%2A33=198%29 ALIGN=MIDDLE  ALT=\"highlight_green%28%28r-c%29%2A33=198%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >.<BR>\n" );
document.write( "Simple linear system in variables r and c.<BR>\n" );
document.write( "Solve for r and c. </SPAN>\n" );
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