document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=550390>Question 550390</A>: <I><SPAN STYLE=\"word-break: break-all;\"> the speed of a boat in still water is 15 km/hr. it needs four more hours to travel 63 km against the current of a river than it needs to travel down the river. Determine the speed of the current of the river. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #358725 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=358725\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> [63 / (15 - x)] + 4 = 63 / (15 + x)\r<BR>\n" );
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document.write( "multiplying by LCD (15^2 - x^2) ___ [63 (15 + x)] + [4 (15^2 - x^2)] = 63 (15 - x) </SPAN>\n" );
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