Memory isn't what it used to be.

Question

Okay, if I have 200 of an item and the total weight is 10 pounds, how much does each item weight?

I know I knew how to solve this once upon a time, but for the life of me cannot remember.

Answer 1

200 items x ?lbs/item = 10 lbs So, ? = 10/200 = 1/20 = .05 lbs/item