document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=91951>Question 91951</A>: <I><SPAN STYLE=\"word-break: break-all;\"> im not sure what kinda problem this is but i cant figure out HOW to solve it in steps.  Jim can fill pool carying buckets of water in 30 min.Sue can do same job in 45 min. and tony can do it in 1 and 1/2 hours.How quickly can they all do the job together? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #66790 by </B><A HREF=/tutors/aboutme.mpl?userid=mathispowerful><B>mathispowerful(115)</B></A><img src=\"/images/stars/stars-09.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=mathispowerful><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=66790\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> This is working together problem.\r<BR>\n" );
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document.write( "The basic idea is, each person finishes part of the job, and together they finish the whole thing which is represented by 100% which is 1.\r<BR>\n" );
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document.write( "Jim: 30min    in 1 min Jim can finish  1/30th  of the job\r<BR>\n" );
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document.write( "Sue  45min    in 1 min Sue can finish  1/45th  of the job\r<BR>\n" );
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document.write( "Tony 90min    in 1 min Tony can finish  1/90th  of the job\r<BR>\n" );
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document.write( "Let's assume it will take them T minutes to finish the job together,\r<BR>\n" );
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document.write( "then   <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=T%2A%281%2F30+%2B+1%2F45+%2B+1%2F90%29+=+1 ALIGN=MIDDLE  ALT=\"T%2A%281%2F30+%2B+1%2F45+%2B+1%2F90%29+=+1\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "where <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%2F30+%2B+1%2F45+%2B+1%2F90 ALIGN=MIDDLE  ALT=\"1%2F30+%2B+1%2F45+%2B+1%2F90\"   DISABLED_style= \"max-width:90%; height:auto;\" > represents the portion of the job that can be finished in one minute working together.\r<BR>\n" );
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document.write( "Now solve the equation: multiply 90 on both sides\r<BR>\n" );
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document.write( "T(3 + 2+ 1) = 90\r<BR>\n" );
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document.write( "6T = 90\r<BR>\n" );
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document.write( "T = 15 min\r<BR>\n" );
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document.write( "So it will take them 15 minutes to fill the pool working together. \r<BR>\n" );
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document.write( "  </SPAN>\n" );
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