A whole-sale dealer deals in two kinds, A and B say, of mixture of nuts. Each kg of mixture A contains 60 gms of almonds, 30 gms of cashew nuts, and 30 gms of hazel nuts. Each kg of mixture B contains 30 gms of almonds, 60 gms of cashew nuts, and 180 gms of hazel nuts. The remainder of both mixtures is pea nuts. The dealer is contemplating to use mixtures A and B to make a bag which will contain at least 240 gms of almonds, 300 gms of cashew nuts, and 540 gms of hazel nuts. Mixture A costs Rs. 8 per kg. And mixture B costs Rs. 12.00 per kg. Assuming that mixture A and V are uniform :
How many kgs of each should he use to minimize the cost of the bag ?