document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=405454>Question 405454</A>: <I><SPAN STYLE=\"word-break: break-all;\"> please help me solve this problem :     a boat takes 45 minutes to get 6 miles downstream and 1 hour to get back. find the speed of the boat in still water and 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 #286364 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=286364\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> speed of boat in still water = x mph<BR>\n" );
document.write( "speed of current = y mph<BR>\n" );
document.write( "..<BR>\n" );
document.write( "speed upstream = x-y<BR>\n" );
document.write( "speed downstream = x+y<BR>\n" );
document.write( "...<BR>\n" );
document.write( "time upstream = 1 hour<BR>\n" );
document.write( "time downstream = 3/4 hours<BR>\n" );
document.write( "..<BR>\n" );
document.write( "distance = 6 miles\r<BR>\n" );
document.write( "\n" );
document.write( "time= distance /speed<BR>\n" );
document.write( "6/x-y= 1<BR>\n" );
document.write( "x-y=6......1<BR>\n" );
document.write( "...<BR>\n" );
document.write( "6/x+y = 3/4<BR>\n" );
document.write( "4*6= 3(x+y)<BR>\n" );
document.write( "24 = 3(x+y)<BR>\n" );
document.write( "/3<BR>\n" );
document.write( "8=x+y......2<BR>\n" );
document.write( "add (1)&(2)<BR>\n" );
document.write( "2x=14<BR>\n" );
document.write( "x=14/2<BR>\n" );
document.write( "x= 7 mph ===> speed of boat<BR>\n" );
document.write( "..<BR>\n" );
document.write( "x-y =6<BR>\n" );
document.write( "7-y=6<BR>\n" );
document.write( "y=1 mph speed of current </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );