Sobeys Sells Fruit Trays Consisting of Pineapple and Melons

Question 227

Sobeys sells fruit trays consisting of pineapple and melons.The manager of the fruit department obtains pineapples at a wholesale price of $2.50 per kg,grapes at $2.15 per kg,strawberries at $1.50 per kg and melons at $1.85 per kg.He is required to produce 10 kg of the mixed fruit.He is required to add 2 kg of strawberries and 3 kg of grapes.What is the maximum weight of pineapple that he can put in the mix in order to have an effective wholesale cost no greater than $2.00 per kg?