McBurger fast food restaurant sells quarter pounders and cheeseburgers. A quarter pounder uses a quarter pound of meat, and a cheeseburger uses only .2 lb. The restaurant starts the day with 200lb of meat but may order more at an additional cost of 25 cents per pound to cover the delivery costs. Any surplus meat at the end of the day is donated to charity. McBurger's profit are 20 cents for a quarter-pounder and 15 cents for a cheeseburger. McBurger does not expect to sell more than 900 sandwiches in any one day. How many of each type sandwich should McBurger plan for the day?
Write an LP model for this problem.