document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=324799>Question 324799</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A boy rows his boat 8 km downstream in 1 hour and 4 minutes, and returns in 2 2/7 hours. At what rate will he row in still water? What is the rate of the current? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #232582 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=232582\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A boy rows his boat 8 km downstream in 1 hour and 4 minutes, and returns in 2 2/7 hours. At what rate will he row in still water? What is the rate of the current?<BR>\n" );
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document.write( "8 km/64 minutes = 1/8 km/min = 15/2 km/hr<BR>\n" );
document.write( "8 km/(16/7) = 7/2 km/hr<BR>\n" );
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document.write( "The boat's speed is the average, = (15/2 + 7/2)/2 = 5.5 km/hr<BR>\n" );
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document.write( "The current is the difference, = 2 km/hr<BR>\n" );
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