document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=342302>Question 342302</A>: <I><SPAN STYLE=\"word-break: break-all;\"> One pipe fills a pool in 30 min<BR>\n" );
document.write( "Another pipe fills a pool in 20 min<BR>\n" );
document.write( "Another in 10 min<BR>\n" );
document.write( "If all 3 were on how long till the pool is filled <BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #244984 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=244984\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> one pipe fills 1/30 of pool in 1 minute<BR>\n" );
document.write( "the second fills 1/20 of the pool in 1 minute<BR>\n" );
document.write( "the third fills 1/10 of the pool in 1 minute<BR>\n" );
document.write( "...<BR>\n" );
document.write( "Together they will fill 1/10  + 1/20  + 1/30 of the pool in 1 minute\r<BR>\n" );
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document.write( "LCD = 60<BR>\n" );
document.write( "(6+3+2)/ 60<BR>\n" );
document.write( "=11/60 of the pool they fill in 1 minute<BR>\n" );
document.write( "so they will take 60/11 minutes to fill the pool<BR>\n" );
document.write( "60/11= 5 .45 minutes </SPAN>\n" );
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