document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=356918>Question 356918</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A boat can travel 45 mph in still water.  If it travels 200 miles with the current in the same length of time it travels 160 against the current,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 #254894 by </B><A HREF=/tutors/aboutme.mpl?userid=mananth><B>mananth(16946)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=mananth><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=mananth><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=254894\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A boat can travel 45 mph in still water.  If it travels 200 miles with the current in the same length of time it travels 160 against the current,what is the speed of the current?<BR>\n" );
document.write( "...<BR>\n" );
document.write( "let current speed be x mph<BR>\n" );
document.write( "speed in still water = 45 mph<BR>\n" );
document.write( "..<BR>\n" );
document.write( "Upstream speed = 45-x mph<BR>\n" );
document.write( "downstream speed = 45+x mph<BR>\n" );
document.write( "..<BR>\n" );
document.write( "time = Distance /speed<BR>\n" );
document.write( "160/45-x = 200/45+x<BR>\n" );
document.write( "160(45+x)=200(45-x)<BR>\n" );
document.write( "7200+160x=9000-200x<BR>\n" );
document.write( "200x+160x=9000-7200<BR>\n" );
document.write( "360x=1800<BR>\n" );
document.write( "x= 1800/360<BR>\n" );
document.write( "x=5 mph the speed of current<BR>\n" );
document.write( "...<BR>\n" );
document.write( "m.ananth@hotmail.ca </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );