document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=141480>Question 141480</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A motorboat can go 8 miles downstream on a river in 10 minutes. It takes 30 minutes for this boat to go back upstream the same 8 miles. Find the speed of the boat in still water. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #103085 by </B><A HREF=/tutors/aboutme.mpl?userid=scott8148><B>scott8148(6628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=scott8148><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=scott8148><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=103085\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> let m=motorboat and c=current\r<BR>\n" );
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document.write( "downstream __ m+c=8/(10/60) __ m+c=48 mph\r<BR>\n" );
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document.write( "upstream __ m-c=8/(30/60) __ m-c=16 mph\r<BR>\n" );
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document.write( "adding the equations __ m+c+(m-c)=48+16 __ 2m=64 __ m=32 mph </SPAN>\n" );
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