Question 284285
Starting, Mr. A has 60% and Mr. B has 40%.


Letting the mill's value be M,
The selling, Mr. A has now {{{0.6M-1200}}}, and Mr. B now has {{{0.4M+1200}}}.


From the selling, Mr. A owns the same amount as Mr. B.

{{{0.6M-1200=0.4M+1200}}}

{{{0.2M=2400}}}

{{{M=24000/2}}}

{{{highlight(M=12000)}}}