The cashier at Alexanders Market put 2 boxes of cereal, 2 jars of peanut butter, 3 cans of tuna fish and 5 cans of cat food into a paper bag. To the nearest half pound, about how much did the bag weigh.
1 box of cereal is 13oz A: 4 1/2lb
1 jar of peanut butter is 18oz B: 5 1/2lb
1 can of tuna fish is 6oz C: 6 1/2lb
1 can of cat food is 2oz D: 7lb