document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=742418>Question 742418</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Paddling a canoe with current you can go 12 miles in 2 hours,but against the current the return trip takes 6 hours paddling at the same rate.Find the rate of the current and the rate of paddling in water with no current.Of course,assume the current rate remains the same. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #452509 by </B><A HREF=/tutors/aboutme.mpl?userid=MathLover1><B>MathLover1(20850)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=MathLover1><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=MathLover1><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=452509\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\">  Let the speed of paddling in still waters be <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x ALIGN=MIDDLE  ALT=\"x\"   DISABLED_style= \"max-width:90%; height:auto;\" > mph and speed of current be <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y ALIGN=MIDDLE  ALT=\"y\"   DISABLED_style= \"max-width:90%; height:auto;\" > mph\r<BR>\n" );
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document.write( "DOWNSTREAM<BR>\n" );
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document.write( "if <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=Distance=12mil ALIGN=MIDDLE  ALT=\"Distance=12mil\"   DISABLED_style= \"max-width:90%; height:auto;\" > and  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=time=2h ALIGN=MIDDLE  ALT=\"time=2h\"   DISABLED_style= \"max-width:90%; height:auto;\" >, then\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=Speed+=%28x%2By%29mph+=+Distance+%2F+time+=+12+%2F2+=+6 ALIGN=MIDDLE  ALT=\"Speed+=%28x%2By%29mph+=+Distance+%2F+time+=+12+%2F2+=+6\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%2B+y+=+6+ ALIGN=MIDDLE  ALT=\"x%2B+y+=+6+\"   DISABLED_style= \"max-width:90%; height:auto;\" >...... eq.1\r<BR>\n" );
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document.write( "UPSTREAM<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=Speed+=+%28x-y%29+mph+=+Distance+%2F+time+=+12%2F6+=+2 ALIGN=MIDDLE  ALT=\"Speed+=+%28x-y%29+mph+=+Distance+%2F+time+=+12%2F6+=+2\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+-y+=+2 ALIGN=MIDDLE  ALT=\"x+-y+=+2\"   DISABLED_style= \"max-width:90%; height:auto;\" >...... eq.2\r<BR>\n" );
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document.write( "eq.1 + eq.2\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%2B6%2Bx-6+=6%2B2 ALIGN=MIDDLE  ALT=\"x%2B6%2Bx-6+=6%2B2\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2x+=8 ALIGN=MIDDLE  ALT=\"2x+=8\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+4mph ALIGN=MIDDLE  ALT=\"x+=+4mph\"   DISABLED_style= \"max-width:90%; height:auto;\" >, then\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4mph%2B+y+=+6mph+ ALIGN=MIDDLE  ALT=\"4mph%2B+y+=+6mph+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y+=+2mph ALIGN=MIDDLE  ALT=\"y+=+2mph\"   DISABLED_style= \"max-width:90%; height:auto;\" >........ ANSWER\r<BR>\n" );
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document.write( "CHECK\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=12+%2F+%284%2B2%29+=+2+hours ALIGN=MIDDLE  ALT=\"12+%2F+%284%2B2%29+=+2+hours\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=12+%2F+%28+4-2%29+=+6+hours ALIGN=MIDDLE  ALT=\"12+%2F+%28+4-2%29+=+6+hours\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( " </SPAN>\n" );
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