document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=205859>Question 205859</A>: <I><SPAN STYLE=\"word-break: break-all;\"> James can row 14 km downstream in a river in 2 hours. He takes 7 hours to go back. Find the speed of the current and the speed of James in still water. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #155456 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=155456\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> James can row 14 km downstream in a river in 2 hours. He takes 7 hours to go back. Find the speed of the current and the speed of James in still water.<BR>\n" );
document.write( "--------------<BR>\n" );
document.write( "d = rt<BR>\n" );
document.write( "c = speed of current, r = rowing speed<BR>\n" );
document.write( "14 = (r+c)*2 = (r-c)*7<BR>\n" );
document.write( "2r+2c=14<BR>\n" );
document.write( "7r-7c=14<BR>\n" );
document.write( "-------<BR>\n" );
document.write( "r+c=7 Eqn 1 div by 2<BR>\n" );
document.write( "r-c=2 Eqn 2 div by 7<BR>\n" );
document.write( "----- Add equations<BR>\n" );
document.write( "2r = 9<BR>\n" );
document.write( "r = 4.5 kph<BR>\n" );
document.write( "c = 2.5 kph </SPAN>\n" );
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