Considering P is the profit Mary got 1/3P ( remuneration ) + 1/4P ( Half of remaining profit ) = 14/24P Mike got 1/6P ( remuneration ) + 1/4P ( Half of remaining profit ) = 10P/24 Mary got 800 more than mike =>(14P/24) -(10P/24)=800 P=4800 Mary got 14P/24 =2800