Maya is packing her backpack for a hike. In one pocket, she puts in a (1/4) pound bag of trail mix, a water bottle weighing (2 1/5) pounds, and a flashlight weighing (1/4) pound. How much weight do these three items add to her backpack?

a) (3 1/2) pounds
b) (3 3/4) pounds
c) (3 2/3) pounds
d) (3 1/4) pounds