document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=552024>Question 552024</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I need the work and the answer to this problem using the 4 step process: <BR>\n" );
document.write( "A boat traveled for two hours downstream with a 5km/h current. The return trip against thr same current took four hours. Find the speed of the boat instill water. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #360024 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=360024\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A boat traveled for two hours downstream with a 5km/h current. <BR>\n" );
document.write( "Downstream DATA:<BR>\n" );
document.write( "time = 2 hrs ; rate = 5 km/h ; distance = 2*5 = 10 km<BR>\n" );
document.write( "-----------------------------------------------------------\r<BR>\n" );
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document.write( "The return trip against thr same current took four hours. <BR>\n" );
document.write( "Upstream DATA:<BR>\n" );
document.write( "time = 4 hrs ; distance = 10 hrs; rate = d/t = 10/4 = 5/2 km/hr<BR>\n" );
document.write( "-----<BR>\n" );
document.write( "Let \"b\" be boat speed in still water ; Let \"c\" be current speed.<BR>\n" );
document.write( "---<BR>\n" );
document.write( "Equation:<BR>\n" );
document.write( "b + c = 5 km/hr<BR>\n" );
document.write( "b - c = 2.5 km/hr<BR>\n" );
document.write( "----<BR>\n" );
document.write( "Find the speed of the boat in still water.\r<BR>\n" );
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document.write( "Add and solve for \"b\":<BR>\n" );
document.write( "2b = 7.2 km/hr<BR>\n" );
document.write( "b = 3.6 km/hr (rate of the boat in still water)\r<BR>\n" );
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document.write( "---------------<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );