document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=569716>Question 569716</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A boat on a river travels downstream between two points, 60 mi apart, in one hour. The return trip against the current takes 2.5 hours. What is the boat's speed?<BR>\n" );
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document.write( "How fast does the current in the river flow?<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #367446 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=367446\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> b + c = 60 mi / 1 hr = 60 mph\r<BR>\n" );
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document.write( "b - c = 60 mi / 2.5 hr = 24 mph\r<BR>\n" );
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document.write( "adding equations ___ b + c + b - c = 60 + 24 ___ 2b = 84 ___ b = 42\r<BR>\n" );
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document.write( "substituting ___ (42) + c = 60 ___ c = 18 </SPAN>\n" );
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