document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=696829>Question 696829</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 22 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 2/5 full? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #429381 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=429381\">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 22 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 2/5 full?<BR>\n" );
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document.write( "The pipe fills 1/15 of the pool per hour.<BR>\n" );
document.write( "The hose fills 1/22 per hour.<BR>\n" );
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document.write( "Together, they fill 1/15 + 1/22 = 37/330 per hour<BR>\n" );
document.write( "--> 330/37 to fill the pool<BR>\n" );
document.write( "To fill it 2/5, = (2/5)*(330/37) hours<BR>\n" );
document.write( "= 132/37 hours<BR>\n" );
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