document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=285810>Question 285810</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A BOAT TRAVELED 336 miles downstream and back. The trip downstream took 12 hours. The trip back took 14 hours. What is the speed of the boat in still water? what is the speed of the current? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #207225 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=207225\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> (r+c)*12=336<BR>\n" );
document.write( "(r-c)*14=336<BR>\n" );
document.write( "divide both by 2<BR>\n" );
document.write( "(r+c)*6=168<BR>\n" );
document.write( "(r-c)*7=168<BR>\n" );
document.write( "(r+c)*6=(r-c)*7<BR>\n" );
document.write( "6r+6c=7r-7c<BR>\n" );
document.write( "13c=r<BR>\n" );
document.write( "substitute 13c for r in equation one<BR>\n" );
document.write( "14c*12=336<BR>\n" );
document.write( "7c*12=168<BR>\n" );
document.write( "7c*6=84<BR>\n" );
document.write( "42c=84<BR>\n" );
document.write( "c=2<BR>\n" );
document.write( "r=26\r<BR>\n" );
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document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );