document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=175949>Question 175949</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A boat travels at the rate of 8 kph in still water. If it can travel a given distance upstream in 5 hours and the same distance downstream in 3 hours, what is 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 #131057 by </B><A HREF=/tutors/aboutme.mpl?userid=vleith><B>vleith(2983)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=vleith><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=131057\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Distance= Rate * Time<BR>\n" );
document.write( "The distance going both directions is the same.<BR>\n" );
document.write( "Let c be the speed of the current<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=DistanceUpstream+=+%288+-+c%29%2A5 ALIGN=MIDDLE  ALT=\"DistanceUpstream+=+%288+-+c%29%2A5\"   DISABLED_style= \"max-width:90%; height:auto;\" > = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=40+-+5c ALIGN=MIDDLE  ALT=\"40+-+5c\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=DistanceDownStream+=+%288+%2B+c%29%2A3 ALIGN=MIDDLE  ALT=\"DistanceDownStream+=+%288+%2B+c%29%2A3\"   DISABLED_style= \"max-width:90%; height:auto;\" > = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=24+%2B+3c ALIGN=MIDDLE  ALT=\"24+%2B+3c\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "So<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=40-5c+=+24+%2B+3c ALIGN=MIDDLE  ALT=\"40-5c+=+24+%2B+3c\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=16+=+8c ALIGN=MIDDLE  ALT=\"16+=+8c\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2+=+c ALIGN=MIDDLE  ALT=\"2+=+c\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "The current is 2 kph\r<BR>\n" );
document.write( "\n" );
document.write( "So how far did the boat travel each way?<BR>\n" );
document.write( "(8-2)* 5 = 30k<BR>\n" );
document.write( "(8+2)* 3 = 30K </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );