document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=875051>Question 875051</A>: <I><SPAN STYLE=\"word-break: break-all;\"> a boat took 4 hours to make a downstream trip with a 6 km/h current. the return trip against the current took 5 hours. what distance did the boat ravel in one direction? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #527904 by </B><A HREF=/tutors/aboutme.mpl?userid=lwsshak3><B>lwsshak3(11628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=lwsshak3><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=527904\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> a boat took 4 hours to make a downstream trip with a 6 km/h current. the return trip against the current took 5 hours. what distance did the boat travel in one direction?<BR>\n" );
document.write( "***<BR>\n" );
document.write( "let x=average speed of boat<BR>\n" );
document.write( "x+6=speed of boat downstream<BR>\n" );
document.write( "x-6=speed of boat upstream<BR>\n" );
document.write( "distance=travel time*speed<BR>\n" );
document.write( "...<BR>\n" );
document.write( "4(x+6)=5(x-6)<BR>\n" );
document.write( "4x+24=5x-30<BR>\n" );
document.write( "x=54<BR>\n" );
document.write( "x+6=60 (speed of boat downstream)<BR>\n" );
document.write( "4*60=240<BR>\n" );
document.write( "or<BR>\n" );
document.write( "x-6=48 (speed of boat upstream)<BR>\n" );
document.write( "5*48=240<BR>\n" );
document.write( "distance boat traveled in one direction=240 km<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );