<PRE><B>Question 1067736</B>
Rate for A AND B, {{{1/x+1/y=1/8}}}


Rate for just B, {{{1/y}}}


ONE JOB to be done:


{{{(1/x+1/y)*6+(1/y)6=1}}}


{{{(1/8)*6+(1/y)6=1}}}

{{{3/4+6/y=1}}}

Common Denominator, {{{4y}}}.


{{{4y(3/4)+4y(6/y)=4y}}}


{{{3y+24=4y}}}


{{{24=y}}}-----------Worker B would need 24 days to do all the 1 job alone.




Now find x, the time for worker A to do the 1 job alone.</PRE>