document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1108948>Question 1108948</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Bill can row 3 mph in still water. It takes him 3 hours 36 minutes to go 3 miles upstream and return. Find the speed of the current. \r<BR>\n" );
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document.write( "I know this problem is d=rt kind of problem. I did the math and the answer that I came up with 3 mph. Which now thinking about it doesn't sound right.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #723956 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=723956\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 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;\" > = the speed of the current in mi/hr<BR>\n" );
document.write( "Let <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+t+ ALIGN=MIDDLE  ALT=\"+t+\"   DISABLED_style= \"max-width:90%; height:auto;\" > = time in hrs to go upstream<BR>\n" );
document.write( "----------------------------------------------<BR>\n" );
document.write( "Convert <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+36+ ALIGN=MIDDLE  ALT=\"+36+\"   DISABLED_style= \"max-width:90%; height:auto;\" > min to hrs:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+36%2F60+=+.6+ ALIGN=MIDDLE  ALT=\"+36%2F60+=+.6+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+3.6+ ALIGN=MIDDLE  ALT=\"+3.6+\"   DISABLED_style= \"max-width:90%; height:auto;\" > hrs = total times for both trips<BR>\n" );
document.write( "------------------------------------------<BR>\n" );
document.write( "Equation for going upstream:<BR>\n" );
document.write( "(1) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+3+=+%28+3+-+c+%29%2At+ ALIGN=MIDDLE  ALT=\"+3+=+%28+3+-+c+%29%2At+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Equation for going downstream:<BR>\n" );
document.write( "(2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+3+=+%28+3+%2B+c+%29%2A%28+3.6+-+t+%29+ ALIGN=MIDDLE  ALT=\"+3+=+%28+3+%2B+c+%29%2A%28+3.6+-+t+%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "----------------------------------<BR>\n" );
document.write( "(2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+3+=+10.8+%2B+3.6c+-+t%2A%28+3+%2B+c+%29+ ALIGN=MIDDLE  ALT=\"+3+=+10.8+%2B+3.6c+-+t%2A%28+3+%2B+c+%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=+t%2A%28+3+%2B+c+%29+=+7.8+%2B+3.6c+ ALIGN=MIDDLE  ALT=\"+t%2A%28+3+%2B+c+%29+=+7.8+%2B+3.6c+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "and<BR>\n" );
document.write( "(1) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+t+=+3%2F%28+3+-+c+%29+ ALIGN=MIDDLE  ALT=\"+t+=+3%2F%28+3+-+c+%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "and<BR>\n" );
document.write( "(2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+%28+3%2F%28+3+-+c+%29+%29%2A%28+3+%2B+c+%29+=+7.8+%2B+3.6c+ ALIGN=MIDDLE  ALT=\"+%28+3%2F%28+3+-+c+%29+%29%2A%28+3+%2B+c+%29+=+7.8+%2B+3.6c+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+3%2A%28+3+%2B+c+%29+=+%28+7.8+%2B+3.6c+%29%2A%28+3+-+c+%29+ ALIGN=MIDDLE  ALT=\"+3%2A%28+3+%2B+c+%29+=+%28+7.8+%2B+3.6c+%29%2A%28+3+-+c+%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=+9+%2B+3c+=+23.4+%2B+10.8c+-+7.8c+-+3.6c%5E2+ ALIGN=MIDDLE  ALT=\"+9+%2B+3c+=+23.4+%2B+10.8c+-+7.8c+-+3.6c%5E2+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+3.6c%5E2+%2B+3c+-+10.8c+%2B+7.8c+-+23.4+%2B+9+=+0+ ALIGN=MIDDLE  ALT=\"+3.6c%5E2+%2B+3c+-+10.8c+%2B+7.8c+-+23.4+%2B+9+=+0+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+3.6c%5E2+-+23.4+%2B+9+=+0+ ALIGN=MIDDLE  ALT=\"+3.6c%5E2+-+23.4+%2B+9+=+0+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+3.6c%5E2+=+14.4+ ALIGN=MIDDLE  ALT=\"+3.6c%5E2+=+14.4+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(2) <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( "(2) <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<BR>\n" );
document.write( "The speed of the current is 2 mi/hr<BR>\n" );
document.write( "--------------------------------------<BR>\n" );
document.write( "check the answer:<BR>\n" );
document.write( "(1) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+3+=+%28+3+-+c+%29%2At+ ALIGN=MIDDLE  ALT=\"+3+=+%28+3+-+c+%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=+3+=+%28+3+-+2+%29%2At+ ALIGN=MIDDLE  ALT=\"+3+=+%28+3+-+2+%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=+t+=+3+ ALIGN=MIDDLE  ALT=\"+t+=+3+\"   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=+3+=+%28+3+%2B+c+%29%2A%28+3.6+-+t+%29+ ALIGN=MIDDLE  ALT=\"+3+=+%28+3+%2B+c+%29%2A%28+3.6+-+t+%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=+3+=+%28+3+%2B+2+%29%2A%28+3.6+-+t+%29+ ALIGN=MIDDLE  ALT=\"+3+=+%28+3+%2B+2+%29%2A%28+3.6+-+t+%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=+3+=+5%2A%28+3.6+-+t+%29+ ALIGN=MIDDLE  ALT=\"+3+=+5%2A%28+3.6+-+t+%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=+3+=+18+-+5t+ ALIGN=MIDDLE  ALT=\"+3+=+18+-+5t+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+5t+=+15+ ALIGN=MIDDLE  ALT=\"+5t+=+15+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+t+=+3+ ALIGN=MIDDLE  ALT=\"+t+=+3+\"   DISABLED_style= \"max-width:90%; height:auto;\" > <BR>\n" );
document.write( "and<BR>\n" );
document.write( "notice that:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+t+%2B+%283.6+-+t%29+=+3+%2B+3.6+-+3+ ALIGN=MIDDLE  ALT=\"+t+%2B+%283.6+-+t%29+=+3+%2B+3.6+-+3+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "and that = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+3.6+ ALIGN=MIDDLE  ALT=\"+3.6+\"   DISABLED_style= \"max-width:90%; height:auto;\" > hrs which is the total time<BR>\n" );
document.write( "Get another opinion if needed\r<BR>\n" );
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document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );