document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1039403>Question 1039403</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A and B can do a work in 12 days,B and C in 16 days. A started work and afte 7 days he stopd work and B started the work,after 5days B stopd work and remaining work was completed by C in 13days. In how many days A ,B,C alone can finish the work. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #654133 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39630)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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=654133\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> a, b, c, the times in days for A, B, and C to do \"one whole work\".  Use the work rates as  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%2FT ALIGN=MIDDLE  ALT=\"1%2FT\"   DISABLED_style= \"max-width:90%; height:auto;\" > in unit of <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=JOB%2FDAYS ALIGN=MIDDLE  ALT=\"JOB%2FDAYS\"   DISABLED_style= \"max-width:90%; height:auto;\" >.\r<BR>\n" );
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document.write( "A sequence of workers has done one whole job.<BR>\n" );
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document.write( "Goal is to solve for a, b, and c.\r<BR>\n" );
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document.write( "Use the first two equations to solve each in terms of b.<BR>\n" );
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document.write( "Substitute these into the Finished In Thirteen Days equation.<BR>\n" );
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document.write( "Simplify.<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=b=50.53 ALIGN=MIDDLE  ALT=\"b=50.53\"   DISABLED_style= \"max-width:90%; height:auto;\" >------------Seems strange, maybe correct,  but needs to be rechecked ... Maybe a mistake was made.   If you can understand the process up to here, your work MIGHT be better and without any mistake I made.  You could then continue to go back to the first two equations to solve for a and c. </SPAN>\n" );
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