A small candy shop is preparing for the holiday season. The owner must decide how many bags of deluxe mix and how many bags of standard mix of Peanut/Raisin Deilite to put up. The deluxe mix has 2/3 pound raisins and 1/3 pound peanuts per bag; and the standard mix has 1/2 pound raisins and 1/2 pound peanuts per bag. The shop has 90 pounds of raisins and 60 pounds of peanuts to work with. Peanuts cost $0.60 per pound and raisins cost $1.50 per pound. The deluxe mix sells for $2.90 per pound and the standard mix sells for $2.55 per pound The owner estimated that no more than 110 bags of one type can be sold.