2. The Farmer's Hardware and Feed Store is putting together a fertilizer mix for a farmer who is preparing a field to plant a crop. The store will use two brands of fertilizer, Gr-Plus and Crop-Fast, to make the proper mix for the farmer. Each brand yields a specific amount of nitrogen and phosphate as follows: The farmer's field requires at least 16 pounds of Nitrogen and 24 pounds of phosphate. Gro-Plus costs $6 per bag and Crop-Fast costs $3. The store wats to know how many bags of each brand to purchase to minimize the total cost of fertilizing. 2. The Farmer's Hardware and Feed Store is putting together a fertilizer mix for a farmer who is preparing a field to plant a crop. The store will use two brands of fertilizer, Gr-Plus and Crop-Fast, to make the proper mix for the farmer. Each brand yields a specific amount of nitrogen and phosphate as follows: The farmer's field requires at least 16 pounds of Nitrogen and 24 pounds of phosphate. Gro-Plus costs $6 per bag and Crop-Fast costs $3. The store wats to know how many bags of each brand to purchase to minimize the total cost of fertilizing