document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=464138>Question 464138</A>: <I><SPAN STYLE=\"word-break: break-all;\"> a boat can maintain a constant speed of 50mil/hr relative to the water. the boat makes a trip up stream in 57min; the return trip takes 43min. what is the speed 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 #317931 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=317931\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> a boat can maintain a constant speed of 50mil/hr relative to the water. the boat makes a trip up stream in 57min; the return trip takes 43min. what is the speed of the current?<BR>\n" );
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document.write( "The general solution is:\r<BR>\n" );
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document.write( "c = v*(diff in t)/(sum of t)<BR>\n" );
document.write( "c = 50*(57 - 43)/(57 + 43) = 50*14/100<BR>\n" );
document.write( "c = 7 mph\r<BR>\n" );
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