document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=473625>Question 473625</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A boat takes 5 hours to go 300 km downstream and it takes same time to go 150 km upstream. calculate the speed of boat in still water and speed of stream. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #324835 by </B><A HREF=/tutors/aboutme.mpl?userid=lwsshak3><B>lwsshak3(11628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=lwsshak3><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=324835\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A boat takes 5 hours to go 300 km downstream and it takes same time to go 150 km upstream. calculate the speed of boat in still water and speed of stream<BR>\n" );
document.write( "**<BR>\n" );
document.write( "let x=speed of boat in still water<BR>\n" );
document.write( "let y=speed of stream<BR>\n" );
document.write( "speed=distance/travel time<BR>\n" );
document.write( "travel time same for downstream and upstream<BR>\n" );
document.write( "300/5=x+y<BR>\n" );
document.write( "150/5=x-y<BR>\n" );
document.write( "60=x+y<BR>\n" );
document.write( "30=x-y<BR>\n" );
document.write( "add<BR>\n" );
document.write( "2x=90<BR>\n" );
document.write( "x=45<BR>\n" );
document.write( "y=60-45=15<BR>\n" );
document.write( "ans:<BR>\n" );
document.write( "speed of boat in still water=45 km/hr<BR>\n" );
document.write( "speed of stream=15 km/hr </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );