document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=882321>Question 882321</A>: <I><SPAN STYLE=\"word-break: break-all;\"> In his motorboat, Bill Ruhberg travels upstream at top speed to his favorite fishing spot, a distance of 270 mi, in 5 hr.  Returning, he finds that the trip downstream, still at top speed takes only 4.5 hr.  Find the rate of Bills boat and the speed of the current.  Let x = the rate of the boat in still water and y = 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 #532783 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=532783\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Find the speed up and downstream.<BR>\n" );
document.write( "The boat's speed x is the average of those.<BR>\n" );
document.write( "y = difference between boat speed and ground speed. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );