document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=248814>Question 248814</A>: <I><SPAN STYLE=\"word-break: break-all;\"> One pipe can fill a tank in 20 minutes. A second pipe can fill the tank in 30 minutes. If the tank is empty, how long would be required for the two pipes operating together to fill it?\r<BR>\n" );
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document.write( "I need the rate of work (R), the time of work (T) , and the work done (W)<BR>\n" );
document.write( "the equation is RT = W. \r<BR>\n" );
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document.write( "It would help if I am provided a detailed explanation </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #181302 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=181302\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> One pipe can fill a tank in 20 minutes. A second pipe can fill the tank in 30 minutes. If the tank is empty, how long would be required for the two pipes operating together to fill it? \r<BR>\n" );
document.write( "\n" );
document.write( "I need the rate of work (R), the time of work (T) , and the work done (W)<BR>\n" );
document.write( "the equation is RT = W. <BR>\n" );
document.write( "It would help if I am provided a detailed explanation<BR>\n" );
document.write( "0 solutions<BR>\n" );
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document.write( "1st Pipe DATA:<BR>\n" );
document.write( "time = 20 min/job ; rate + 1/20 job/min <BR>\n" );
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document.write( "2nd Pipe DATA;<BR>\n" );
document.write( "time = 30 min/job ; rate = 1/30 job/min<BR>\n" );
document.write( "----------------------<BR>\n" );
document.write( "Together DATA:<BR>\n" );
document.write( "time = x min/job ; rate = 1/x job/min<BR>\n" );
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document.write( "Equation:<BR>\n" );
document.write( "rate + rate = together rate<BR>\n" );
document.write( "1/20 + 1/30 = 1/x<BR>\n" );
document.write( "---<BR>\n" );
document.write( "Multiply thru by x to get:<BR>\n" );
document.write( "work + work = job done<BR>\n" );
document.write( "x/20 + x/30 = 1<BR>\n" );
document.write( "Multiply thru by 60:<BR>\n" );
document.write( "3x + 2x = 60<BR>\n" );
document.write( "5x = 60<BR>\n" );
document.write( "x = 12 min (time needed to complete the job when both pipes are operating)<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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