A snack food manufacturer markets two kinds of mixed nuts, labeled A and B. Mixed nuts A contain 20% almonds, 10% cashew nuts, 15% walnuts, and 55% peanuts. Mixed nuts B contain 10% almonds, 20% cashew nuts, 25% walnuts, and 45% peanuts.
A customer wants to use mixed nuts A and B to prepare a new mix that contains at least 4 Ib of almonds, 5 Ib of cashew nuts, and 6 Ib of walnuts, for a party.
If mixed nuts A and B cost $2.50 and $3.00 per pound, respectively, determine the amounts of mixed nuts A and B to be used to prepare the new mix at a minimum cost