document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=877438>Question 877438</A>: <I><SPAN STYLE=\"word-break: break-all;\"> help me please in solving this problem. Thank you\r<BR>\n" );
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document.write( "a cabin cruiser travels 48 miles upstream (against the current)and 48 miles downstream (with the current). The speed of the current is 4 miles per hour\r<BR>\n" );
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document.write( "a. Write an expression for the cruiser going upstream and write an expression for the cruiser going downstream\r<BR>\n" );
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document.write( "Tnx </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #529334 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=529334\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> a cabin cruiser travels 48 miles upstream (against the current)and 48 miles downstream (with the current). The speed of the current is 4 miles per hour\r<BR>\n" );
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document.write( "a. Write an expression for the cruiser going upstream and write an expression for the cruiser going downstream<BR>\n" );
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document.write( "An expression for what?  The length of the boat?  The # of people on it?<BR>\n" );
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document.write( "The speed, maybe?<BR>\n" );
document.write( "The time up & downstream?<BR>\n" );
document.write( "b = boat's speed<BR>\n" );
document.write( "c = speed of the current<BR>\n" );
document.write( "Upstream time = 48/(b - c)<BR>\n" );
document.write( "Downstream time = 48/(b + c)<BR>\n" );
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