document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=885797>Question 885797</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 36 mi, in 2 hr. Returning, he finds that the trip downstream, still at top speed, takes only 1.5 hr. Find the rate of Bill's boat and the rate of the current. Let x = the rate of the boat and y =   the rate of the current.<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #535443 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=535443\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Use d = r*t --> r = d/t to find the speed up and down stream.<BR>\n" );
document.write( "The boat's speed is the average.<BR>\n" );
document.write( "The current is the difference.<BR>\n" );
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