At a farm where you can pick your own strawberries, the cost of picked strawberries is caculated using only its weight of the strawberries. The total weight of the container full of stawberries is 2.1 pounds. The cost of the container of the strawberries is $4.68.the weight of the container is 0.3 pounds. what is the cost per pound for strawberries? Please show me your work.