document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=344571>Question 344571</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A Hudson RIVER tugboat goes 10 mph in still water. It travels 24 miles upstream and 24 miles back in a total of 5 hours. 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 #246628 by </B><A HREF=/tutors/aboutme.mpl?userid=Fombitz><B>Fombitz(32388)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Fombitz><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=Fombitz><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=246628\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Rate*Time=Distance<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=R%2At=D ALIGN=MIDDLE  ALT=\"R%2At=D\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "Let <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=C ALIGN=MIDDLE  ALT=\"C\"   DISABLED_style= \"max-width:90%; height:auto;\" > be the current speed. <BR>\n" );
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document.write( "Upstream, against the current,<BR>\n" );
document.write( "1.<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%2810-C%29t%5B1%5D=24 ALIGN=MIDDLE  ALT=\"%2810-C%29t%5B1%5D=24\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Downstream, with the current,<BR>\n" );
document.write( "2.<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%2810%2BC%29t%5B2%5D=24 ALIGN=MIDDLE  ALT=\"%2810%2BC%29t%5B2%5D=24\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Total time,<BR>\n" );
document.write( "3.<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t%5B1%5D%2Bt%5B2%5D=5 ALIGN=MIDDLE  ALT=\"t%5B1%5D%2Bt%5B2%5D=5\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "From eq. 1,<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t%5B1%5D=24%2F%2810-C%29 ALIGN=MIDDLE  ALT=\"t%5B1%5D=24%2F%2810-C%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "From eq. 2,<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t%5B2%5D=24%2F%2810%2BC%29 ALIGN=MIDDLE  ALT=\"t%5B2%5D=24%2F%2810%2BC%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Substitute into eq. 3,<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=24%2F%2810-C%29%2B24%2F%2810%2BC%29=5 ALIGN=MIDDLE  ALT=\"24%2F%2810-C%29%2B24%2F%2810%2BC%29=5\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=24%2810%2BC%29%2B24%2810-C%29=5%2810%2BC%29%2810-C%29 ALIGN=MIDDLE  ALT=\"24%2810%2BC%29%2B24%2810-C%29=5%2810%2BC%29%2810-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=240%2B24C%2B240-24C=5%28100-C%5E2%29 ALIGN=MIDDLE  ALT=\"240%2B24C%2B240-24C=5%28100-C%5E2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=480=5%28100-C%5E2%29 ALIGN=MIDDLE  ALT=\"480=5%28100-C%5E2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=96=100-C%5E2 ALIGN=MIDDLE  ALT=\"96=100-C%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=C%5E2=4 ALIGN=MIDDLE  ALT=\"C%5E2=4\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28C=2%29 ALIGN=MIDDLE  ALT=\"highlight%28C=2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >mph<BR>\n" );
document.write( " </SPAN>\n" );
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