document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=33336>Question 33336</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Hi, my question is:\r<BR>\n" );
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document.write( "A river excrusion travels x miles upstream  at 3 miles per hour and back to the same place at 5 miles per hour. The round trip takes 48 minutes.  State in terms of x, how long the journey takes:<BR>\n" );
document.write( " a) on the upstream leg;<BR>\n" );
document.write( " b) on the downstream leg;<BR>\n" );
document.write( " c) in total<BR>\n" );
document.write( " d) Form an equation in x and solve it to find how far upstream the excrusion goes. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #19715 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=19715\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Upstream data:<BR>\n" );
document.write( "distance=x miles;  rate = 3mi/hr;   time= x/3 hrs.<BR>\n" );
document.write( "Downstream data:<BR>\n" );
document.write( "distance=x miles;  rate = 5mi/hr;   time= x/5 hrs<BR>\n" );
document.write( "EQUATION:<BR>\n" );
document.write( "time up + time down = 48 min= 48/60 hrs.<BR>\n" );
document.write( "x/3 + x/5 = (4/5) hr. <BR>\n" );
document.write( "Multiply thru by 15 to get:<BR>\n" );
document.write( "5x+3x=12<BR>\n" );
document.write( "9x=12<BR>\n" );
document.write( "x=4/3 mi = 1 1/3 miles<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.  </SPAN>\n" );
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