1.Calculate in pounds and ounces (5 lbs. 6 oz.) - (2 lb. 12 oz.) =? lbs? onz

2.Calculate in pounds AND ounces (3 lbs. 6 oz.) - (1 lb. 12 oz.) =? lbs? onz

3.Calculate in pounds and ounces (10 lbs. 6 oz.) - (6 lb. 12 oz.) = lbs onz

4. A recipe calls for 2 lb. 3 oz. of shortening, 3 lb. of sugar, 2 pounds 4 oz. of cake flour, 2 oz of water and 5 oz. of eggs. Calculate total Weight of all ingredients, in POUNDS (lb.) ONLY

( for your answer use two decimals and round accordingly)