document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=186341>Question 186341</A>: <I><SPAN STYLE=\"word-break: break-all;\"> If one pump takes 12 minutes to fill a tank and another pump takes 20 minutes to fill the same size tank, how long would it take both pumps working together to fill one of the tanks? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #139669 by </B><A HREF=/tutors/aboutme.mpl?userid=feliz1965><B>feliz1965(151)</B></A><img src=\"/images/stars/stars-09.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=feliz1965><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=139669\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 12 minutes is 1/5 of an hour.\r<BR>\n" );
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document.write( "20 minutes is 1/3 of an hour.\r<BR>\n" );
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document.write( "working together = 1/x\r<BR>\n" );
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document.write( "1/5 + 1/3 = 1/x\r<BR>\n" );
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document.write( "Our LCD =  15x\r<BR>\n" );
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document.write( "Multiply each term by the LCD to remove the fractions.\r<BR>\n" );
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document.write( "3x + 5x = 15\r<BR>\n" );
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document.write( "8x = 15\r<BR>\n" );
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document.write( "x = 15/8\r<BR>\n" );
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document.write( "x = 1_(7/8)\r<BR>\n" );
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document.write( " </SPAN>\n" );
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