16 Imperial weights include stones, pounds and ounces. • 1 stone is equal to 14 pounds. • 1 pound is equal to 16 ounces. A container holds 2 stones, 8 pounds and 4 ounces of flour. The equivalent of 2.5 containers are supplied to a local bakery. However, on the way a total 45 ounces of flour is spilt. a Express the mass of one container in i) pounds ii) stones. b What is the total mass of flour delivered to the shop? Give your answer in i) pounds ii) ounces.