document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=822584>Question 822584</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A, B and C can do a piece of work in 12 days. A alone takes twice as long as B and  C together, and B takes three times as long as A and C together. In what time A will do the work alone? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #494967 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=494967\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 1/a+1/b+1/c=1/12,<BR>\n" );
document.write( "1/b+1/c=1/(x),<BR>\n" );
document.write( "x=a/2,<BR>\n" );
document.write( "1/a+1/c=1/(y),<BR>\n" );
document.write( "y=b/3<BR>\n" );
document.write( "a = 36,   b = 48,   c = 144/5,   x (b+c together) = 18,   y (a+c together) = 16<BR>\n" );
document.write( "check<BR>\n" );
document.write( "36=2*18<BR>\n" );
document.write( "48=3*16<BR>\n" );
document.write( "ok\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );