Mason trims 3 branches from a tree. The next day, he trims of the remaining branches from the same tree.
Mason lets b represent the original number of branches on the tree and finds that the total number of branches he trims is the sum of 3 and in the difference of b and 3.
Which expression represents the total number of branches he trims?

A. 1/10 (b-3) -3

B. 2 x (1/10 (b-3) )

C. 1/10 (b-3) +3

D. 1/10 (b-3)