document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=617418>Question 617418</A>: <I><SPAN STYLE=\"word-break: break-all;\"> a tugboat goes 180 miles upstream in 10 hours. the return trip downstream takes 5 hours. find the speed of the tugboat without a current and the speed 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 #388329 by </B><A HREF=/tutors/aboutme.mpl?userid=scott8148><B>scott8148(6628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=scott8148><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=scott8148><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=388329\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> t - c = 180/10\r<BR>\n" );
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document.write( "t + c = 180/5\r<BR>\n" );
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document.write( "add the equations to eliminate c\r<BR>\n" );
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document.write( "solve for t\r<BR>\n" );
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document.write( "substitute back to find c </SPAN>\n" );
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