document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=911667>Question 911667</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A boat crew that can row at a rate of 8 miles per hour in still water has found that it takes 1.5 times as long to row any specified distance upstream as it does to row the same distance downstream. What is the rate of the current in miles per hour? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #553266 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39617)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=553266\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> _______________rate__________time__________distance<BR>\n" );
document.write( "UP_____________8-c___________(1.5)t________d<BR>\n" );
document.write( "DOWN___________8+c___________t_____________d\r<BR>\n" );
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document.write( "t is the time to go downstream for distance d.<BR>\n" );
document.write( "c is speed of the river current.<BR>\n" );
document.write( "d is the specifiable distance.<BR>\n" );
document.write( "The unknown variables are t and c.\r<BR>\n" );
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document.write( "Upstream is against the current, so is less a rate and takes MORE TIME.<BR>\n" );
document.write( "The same distance d for both directions in the description.\r<BR>\n" );
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document.write( "This specific problem does not have a unique solution.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%283%2F2%29%288-c%29t=d ALIGN=MIDDLE  ALT=\"%283%2F2%29%288-c%29t=d\"   DISABLED_style= \"max-width:90%; height:auto;\" > and <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%288%2Bc%29t=d ALIGN=MIDDLE  ALT=\"%288%2Bc%29t=d\"   DISABLED_style= \"max-width:90%; height:auto;\" >,  and since those are two formulas for d, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28%283%2F2%29%288-c%29t=%288%2Bc%29t%29 ALIGN=MIDDLE  ALT=\"highlight%28%283%2F2%29%288-c%29t=%288%2Bc%29t%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >.\r<BR>\n" );
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document.write( "If you knew something more about time, you could solve for c. </SPAN>\n" );
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