document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=443652>Question 443652</A>: <I><SPAN STYLE=\"word-break: break-all;\"> It takes x hours to fill a swimming pool  when only hose #1 is used.  It takes y hours to fill the pool if only hose #2 is used.  Write a rational expression to show how long it takes to fill the pool if both hoses are used.<BR>\n" );
document.write( "Can someone answer the question and explain how you got there? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #305950 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=305950\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Filling the pool is 1 job\r<BR>\n" );
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document.write( "x hours hose 1<BR>\n" );
document.write( "so hose 1 will do 1/x of the job in 1 hour<BR>\n" );
document.write( "..<BR>\n" );
document.write( "Similarly hose 2 will do 1/y of the jon in 1 hour.\r<BR>\n" );
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document.write( "..<BR>\n" );
document.write( "together they will do 1/x + 1/y  of the job in 1 hour<BR>\n" );
document.write( "..<BR>\n" );
document.write( "= (x+y)/xy <BR>\n" );
document.write( "..<BR>\n" );
document.write( "to do the complete job they together will take<BR>\n" );
document.write( "xy/(x+y) hours </SPAN>\n" );
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