document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=915070>Question 915070</A>: <I><SPAN STYLE=\"word-break: break-all;\"> My question is a systems d=rt. I have tried but failed to solve it. \r<BR>\n" );
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document.write( "A salmon swims 200m in 12 minutes downstream. Swimming in the opposite direction it takes that fish 15 minutes to travel the same distance. Find the rate of swimming for the fish and the rate of the current. Thanks in advance and hopefully I get the answer (or at least help) fast. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #555422 by </B><A HREF=/tutors/aboutme.mpl?userid=richwmiller><B>richwmiller(17219)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=richwmiller><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=richwmiller><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=555422\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> \r<BR>\n" );
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document.write( "r*t=d<BR>\n" );
document.write( "with the current<BR>\n" );
document.write( "(r+c)*12=200<BR>\n" );
document.write( "(r+c)=200/12<BR>\n" );
document.write( "r+c=16.6666667<BR>\n" );
document.write( "against the current<BR>\n" );
document.write( "(r-c)*15=200<BR>\n" );
document.write( "(r-c)=200/15\r<BR>\n" );
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document.write( "r-c=13.3333333<BR>\n" );
document.write( "r+c=16.6666667<BR>\n" );
document.write( "add<BR>\n" );
document.write( "r+r=16.6666667+13.3333333<BR>\n" );
document.write( "2r=30<BR>\n" );
document.write( "r=15 mpm  rate\r<BR>\n" );
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document.write( "15-c=13.3333333<BR>\n" );
document.write( "c=15-13.3333333<BR>\n" );
document.write( "c=1.66666667 mpm current<BR>\n" );
document.write( "check<BR>\n" );
document.write( "(15+1.66666667)*12=200<BR>\n" );
document.write( "16.6666667*12=200<BR>\n" );
document.write( "200.0=200<BR>\n" );
document.write( "ok<BR>\n" );
document.write( "(r-c)*15=200<BR>\n" );
document.write( "(15-1.66666667)*15=200<BR>\n" );
document.write( "13.3333333*15=200<BR>\n" );
document.write( "200.0=200<BR>\n" );
document.write( "ok<BR>\n" );
document.write( "codedrtdtt\r<BR>\n" );
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document.write( " </SPAN>\n" );
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