document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=989299>Question 989299</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The speed of the current in a stream is 3 mi/hr. It takes a canoeist 144 minutes longer to paddle 16 miles upstream than to paddle the same distance downstream. What is the canoeist's rate in still water? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #609667 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=609667\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+3+ ALIGN=MIDDLE  ALT=\"+3+\"   DISABLED_style= \"max-width:90%; height:auto;\" > mi/hr = speed of the current<BR>\n" );
document.write( "Let <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+s+ ALIGN=MIDDLE  ALT=\"+s+\"   DISABLED_style= \"max-width:90%; height:auto;\" > = the speed of the canoe in still water<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+s+%2B+3+ ALIGN=MIDDLE  ALT=\"+s+%2B+3+\"   DISABLED_style= \"max-width:90%; height:auto;\" > = the speed of th canoe going downstream<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+s+-+3+ ALIGN=MIDDLE  ALT=\"+s+-+3+\"   DISABLED_style= \"max-width:90%; height:auto;\" > = the speed of the canoe going upstream<BR>\n" );
document.write( "Convert minutes to hrs:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+144%2F60+=+2.4+ ALIGN=MIDDLE  ALT=\"+144%2F60+=+2.4+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "---------------------------<BR>\n" );
document.write( "Going downstream:<BR>\n" );
document.write( "(1) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+16+=+%28+s%2B3+%29%2At+ ALIGN=MIDDLE  ALT=\"+16+=+%28+s%2B3+%29%2At+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Going upstream:<BR>\n" );
document.write( "(2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+16+=+%28+s-3+%29%2A%28+t+%2B+2.4+%29+ ALIGN=MIDDLE  ALT=\"+16+=+%28+s-3+%29%2A%28+t+%2B+2.4+%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "---------------------------<BR>\n" );
document.write( "(1) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+t+=+16+%2F+%28+s%2B3+%29+ ALIGN=MIDDLE  ALT=\"+t+=+16+%2F+%28+s%2B3+%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+16%2F+%28+s-3+%29+=++16%2F%28+s%2B3+%29+%2B+2.4+ ALIGN=MIDDLE  ALT=\"+16%2F+%28+s-3+%29+=++16%2F%28+s%2B3+%29+%2B+2.4+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Multiply both sides by <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+%28+s-3+%29%2A%28+s%2B3+%29+ ALIGN=MIDDLE  ALT=\"+%28+s-3+%29%2A%28+s%2B3+%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+16%2A%28+s%2B3+%29+=+16%2A%28+s-3+%29+%2B+2.4%2A%28+s-3+%29%2A%28+s%2B3+%29+ ALIGN=MIDDLE  ALT=\"+16%2A%28+s%2B3+%29+=+16%2A%28+s-3+%29+%2B+2.4%2A%28+s-3+%29%2A%28+s%2B3+%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+16s+%2B+48+=+16s+-+48+%2B+2.4%2A%28+s%5E2+-+9+%29+ ALIGN=MIDDLE  ALT=\"+16s+%2B+48+=+16s+-+48+%2B+2.4%2A%28+s%5E2+-+9+%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+16s+%2B+48+=+16s+-+48+%2B+2.4s%5E2+-+21.6+%29+ ALIGN=MIDDLE  ALT=\"+16s+%2B+48+=+16s+-+48+%2B+2.4s%5E2+-+21.6+%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" > <BR>\n" );
document.write( "(2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+48+=+2.4s%5E2+-+48+-+21.6+ ALIGN=MIDDLE  ALT=\"+48+=+2.4s%5E2+-+48+-+21.6+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+2.4s%5E2+=+96+%2B+21.6+ ALIGN=MIDDLE  ALT=\"+2.4s%5E2+=+96+%2B+21.6+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+2.4s%5E2+=+117.6+ ALIGN=MIDDLE  ALT=\"+2.4s%5E2+=+117.6+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+s%5E2+=+49+ ALIGN=MIDDLE  ALT=\"+s%5E2+=+49+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+s+=+7+ ALIGN=MIDDLE  ALT=\"+s+=+7+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "The canoeist's rate in still water is 7 mi/hr<BR>\n" );
document.write( "check:<BR>\n" );
document.write( "(1) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+16+=+%28+s%2B3+%29%2At+ ALIGN=MIDDLE  ALT=\"+16+=+%28+s%2B3+%29%2At+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(1) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+16+=+%28+7%2B3+%29%2At+ ALIGN=MIDDLE  ALT=\"+16+=+%28+7%2B3+%29%2At+\"   DISABLED_style= \"max-width:90%; height:auto;\" > <BR>\n" );
document.write( "(1) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+16+=+10t+ ALIGN=MIDDLE  ALT=\"+16+=+10t+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(1) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+t+=+1.6+ ALIGN=MIDDLE  ALT=\"+t+=+1.6+\"   DISABLED_style= \"max-width:90%; height:auto;\" > hrs<BR>\n" );
document.write( "and<BR>\n" );
document.write( "(2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+16+=+%28+s-3+%29%2A%28+t+%2B+2.4+%29+ ALIGN=MIDDLE  ALT=\"+16+=+%28+s-3+%29%2A%28+t+%2B+2.4+%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+16+=+%28+7-3+%29%2A%28+1.6+%2B+2.4+%29+ ALIGN=MIDDLE  ALT=\"+16+=+%28+7-3+%29%2A%28+1.6+%2B+2.4+%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+16+=+4%2A4+ ALIGN=MIDDLE  ALT=\"+16+=+4%2A4+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+16+=+16+ ALIGN=MIDDLE  ALT=\"+16+=+16+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "OK\r<BR>\n" );
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document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );