document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1111037>Question 1111037</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A crew rowed 7 miles upstream in 2 hours and the 6 1/2 miles downstream in 1 hour. Find the rate of the crew in still water and the rate 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 #726033 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39617)</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=726033\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> --------------------------------------------------------------------------<BR>\n" );
document.write( "A crew rowed 7 miles upstream in 2 hours and the 6 1/2 miles downstream in 1 hour. Find the rate of the crew in still water and the rate of the current.<BR>\n" );
document.write( "----------------------------------------------------------------------\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "---------------------------------------------------------------<BR>\n" );
document.write( "A crew rowed U miles upstream in h hours and the D miles downstream in k hour. Find the rate of the crew in still water and the rate of the current.<BR>\n" );
document.write( "---------------------------------------------------------------\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "r, speed of crew if no current<BR>\n" );
document.write( "c, speed of the current<BR>\n" );
document.write( "U=7<BR>\n" );
document.write( "D=6.5<BR>\n" );
document.write( "h=2<BR>\n" );
document.write( "k=1\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=system%28r-c=U%2Fh%2Cr%2Bc=D%2Fk%29 ALIGN=MIDDLE  ALT=\"system%28r-c=U%2Fh%2Cr%2Bc=D%2Fk%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "\n" );
document.write( "-\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=r=%28Uk%2BDh%29%2F%282hk%29 ALIGN=MIDDLE  ALT=\"r=%28Uk%2BDh%29%2F%282hk%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >   and    <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=c=%28Dh-Uk%29%2F%282hk%29 ALIGN=MIDDLE  ALT=\"c=%28Dh-Uk%29%2F%282hk%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "You can just substitute the values to compute r and c.\r<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );