In order to fertilize his vegetable farm, John, a farmer, needs to choose from two fertilizers: Nitro Plus and Phosphate Max. Each bag of Nitro Plus costs $7 and contains 8 pounds of nitrogen and 6 pounds of phosphate. Each bag of Phosphate Max costs $9 and contains 4 pounds of nitrogen and 8 pounds of phosphate. John’s vegetable farm requires at least 32 pounds of nitrogen and 48 pounds of phosphate. (Assume fractions of a bag are allowed). At the optimal solution, what is the amount of phosphate from the Phosphate Max brand?
A. 23.20
B. 38.40
C. 17.65
D. 15.80
B. 38.40
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