I went into a book shop the other day and saw a book titled How to Solve 50% of Your Problems, so I bought two.
Solves half your problems. If you read it again, it would only solve half of them. Half a half is a quarter!
No, I would say you cannot determine the size based on the weight because they are two different measurements. 1/4lb of fat would be larger than 1/3lb of lean protein.
With Facebook being down last night, I thought I'd have a bit of a chat with the missus. I was surprised to find out that she no longer works in Woolworths.