document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=456040>Question 456040</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A hose can fill a children's pool in 3 hours. If the drain is open, the pool will drain in 5 hours. If the hose is turned on AND the drain is left open, how long will it take to fill the children's pool?\r<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #313050 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=313050\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A hose can fill a children's pool in 3 hours. If the drain is open, the pool will drain in 5 hours. If the hose is turned on AND the drain is left open, how long will it take to fill the children's pool? \r<BR>\n" );
document.write( "\n" );
document.write( "--------------------------<BR>\n" );
document.write( "fill rate = 1/3 job/hr<BR>\n" );
document.write( "drain rate = 1/5 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( "fill - drain = 1 job<BR>\n" );
document.write( "1/3 - 1/5 = 1/x<BR>\n" );
document.write( "---<BR>\n" );
document.write( "5x - 3x = 15<BR>\n" );
document.write( "2x = 15<BR>\n" );
document.write( "x = 7.5 hrs. (time to fill the pool)<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" );