document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=291755>Question 291755</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Jim can fill a pool carrying buckets of water in 30 minutes. Sue can do the same job in 45 minutes. Tony can do the same job in 1 1/2 hours. How quickly can all three fill the pool together?\r<BR>\n" );
document.write( "\n" );
document.write( "I have the answer sheet but I have no idea how to solve this problem! Please show me how it's done! thanks! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #210906 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=210906\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Jim can fill a pool carrying buckets of water in 30 minutes. Sue can do the same job in 45 minutes. Tony can do the same job in 1 1/2 hours. How quickly can all three fill the pool together? <BR>\n" );
document.write( "------------------<BR>\n" );
document.write( "Use the inverses, pools filled per hour, then you can add them.<BR>\n" );
document.write( "Jim does 1/30 of the pool per minute.<BR>\n" );
document.write( "Sue does 1/45<BR>\n" );
document.write( "Tony does 1/90<BR>\n" );
document.write( "Together, 1/30 + 1/45 + 1/90 = 3/90 + 2/90 + 1/90 = 6/90 = 1/15<BR>\n" );
document.write( "1/15 of a pool per minute --> 15 mins per pool<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );