document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=990695>Question 990695</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A swimming pool can be filled in 15 hours if water enters through a pipe alone, or in 23 hours if water enters through a hose alone. If water is entering through both the pipe and the hose, how long will it take to fill the pool 4/5 full? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #610674 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=610674\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A swimming pool can be filled in 15 hours if water enters through a pipe alone, or in 23 hours if water enters through a hose alone. If water is entering through both the pipe and the hose, how long will it take to fill the pool 4/5 full?<BR>\n" );
document.write( "Pipe rate:: 1/15 job/hr<BR>\n" );
document.write( "hose rate:: 1/23 job/hr<BR>\n" );
document.write( "Together rate:: 1/x job/hr<BR>\n" );
document.write( "-----------------<BR>\n" );
document.write( "Equation:<BR>\n" );
document.write( "x((1/15)+(1/23)) = 4/5<BR>\n" );
document.write( "x(38/(15*23)) = 4/5<BR>\n" );
document.write( "----<BR>\n" );
document.write( "x = 18.47 hrs = 18 hr 28 min (time required)<BR>\n" );
document.write( "============<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( "-------- </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );