document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=293837>Question 293837</A>: <I><SPAN STYLE=\"word-break: break-all;\"> in a stream running at 2 km per hour, a motor boat goes 6 km up stream back again to the starting point in 33 minutes. what is the speed of the motor boat in still water?\r<BR>\n" );
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document.write( "a) 20 km per hour  <BR>\n" );
document.write( "b) 18 km per hour<BR>\n" );
document.write( "c) 22 km per hour<BR>\n" );
document.write( "d) 24 km per hour </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #212012 by </B><A HREF=/tutors/aboutme.mpl?userid=richwmiller><B>richwmiller(17219)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=richwmiller><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=richwmiller><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=212012\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> r*t=d<BR>\n" );
document.write( "(b+s)*t=(b-s)*(33-t)\r<BR>\n" );
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document.write( "(b+2)*t=6<BR>\n" );
document.write( "6=(b-2)*(33/60-t)<BR>\n" );
document.write( "b=22 t=1/4<BR>\n" );
document.write( "c)22 kph </SPAN>\n" );
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