document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=439956>Question 439956</A>: <I><SPAN STYLE=\"word-break: break-all;\"> please help me with this problem!\r<BR>\n" );
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document.write( "A tugboat moves at a rate of 10 mph in still water. it travels 24 miles upstream and 24 miles downstream in a total time of 5 hours. what is the speed of the current?\r<BR>\n" );
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document.write( "Please and thank you. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #304047 by </B><A HREF=/tutors/aboutme.mpl?userid=jorel1380><B>jorel1380(3719)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jorel1380><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=jorel1380><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=304047\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 24/(10+x)+24/(10-x)=5<BR>\n" );
document.write( "24(10-x)+24(10+x)=5(100-x2)<BR>\n" );
document.write( "240-24x+240+24x=500-5x2<BR>\n" );
document.write( "5x2-20=0<BR>\n" );
document.write( "x2-4=0<BR>\n" );
document.write( "(x+2)(x-2)=0<BR>\n" );
document.write( "x=-2 or 2<BR>\n" );
document.write( "Throwing out the negative answer, we get the speed of the current to be 2mph.. </SPAN>\n" );
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