document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=540976>Question 540976</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Please help me solve this equation <BR>\n" );
document.write( "Julie and Eric row their boat (at a constant speed) 63 miles downstream for 7 hours, helped by the current. Rowing at the same rate, the trip back against the current takes 9 hours. what is the rate 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 #353952 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=353952\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> r = d / t\r<BR>\n" );
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document.write( "b + c = 63 / 7 ___ b + c = 9\r<BR>\n" );
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document.write( "b - c = 63 / 9 ___ b - c = 7\r<BR>\n" );
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document.write( "adding the equations eliminates c<BR>\n" );
document.write( "___ solve for b and then substitute back to find c </SPAN>\n" );
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