document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=77359>Question 77359</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/0073016098/algebrahomeworkh>beginning algebra</A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> a boat travels 54miles upstream against the current in the same amount of time it takes to trvel 66 miles downstream whit the current. If the boat speed is 20 mph in still water, what is 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 #55477 by </B><A HREF=/tutors/aboutme.mpl?userid=josmiceli><B>josmiceli(19441)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josmiceli><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=josmiceli><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=55477\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> What you need for this is<BR>\n" );
document.write( "time against current = time with current<BR>\n" );
document.write( "or, the same thing,<BR>\n" );
document.write( "(distance / rate upstream) = (distance / rate downstream)<BR>\n" );
document.write( "Let c equal the rate of the current<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=54+%2F+%2820+-+c%29+=+66+%2F+%2820+%2B+c%29 ALIGN=MIDDLE  ALT=\"54+%2F+%2820+-+c%29+=+66+%2F+%2820+%2B+c%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=20%2A66+-+66c+=+20%2A54+%2B+54c ALIGN=MIDDLE  ALT=\"20%2A66+-+66c+=+20%2A54+%2B+54c\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1320+-+66c+=+1080+%2B+54c ALIGN=MIDDLE  ALT=\"1320+-+66c+=+1080+%2B+54c\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=120c+=+240 ALIGN=MIDDLE  ALT=\"120c+=+240\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=c+=+2 ALIGN=MIDDLE  ALT=\"c+=+2\"   DISABLED_style= \"max-width:90%; height:auto;\" > mi/hr answer </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );