document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=279511>Question 279511</A>: <I><SPAN STYLE=\"word-break: break-all;\"> John can clean the pool in 30 minutes, Julie can clean the pool in 45 minutes and Tom can clean the pool in 90 minutes. How long would it take to clean the pool if all 3 work together </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #203189 by </B><A HREF=/tutors/aboutme.mpl?userid=richwmiller><B>richwmiller(17219)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=richwmiller><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=richwmiller><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=203189\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> x/30+x/45+x/90=1<BR>\n" );
document.write( "3x+2x+x=90<BR>\n" );
document.write( "6x=90<BR>\n" );
document.write( "2x=30<BR>\n" );
document.write( "x=15 minutes working together<BR>\n" );
document.write( "check<BR>\n" );
document.write( "15/30+15/45+15/90=1\r<BR>\n" );
document.write( "\n" );
document.write( "1/2+1/3+1/6=1<BR>\n" );
document.write( "3/6+2/6+1/6=1<BR>\n" );
document.write( "John does 1/2 of the work three times Tom's portion<BR>\n" );
document.write( "Julie does twice as much as Tom<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );