.  What is the minimum amount FJ has to pay to buy and transport the K pounds of feed? FJ knows there is a solution.  Consider a sample where FJ needs two pounds of feed from three stores (locations: 1, 3, and 4) on a number line whose range is 0..5:        0   1   2   3   4   5       +---|---+---|---|---+           1       1   1      Available pounds of feed           1       2   2      Cents per pound  It is best for FJ to buy one pound of feed from both the second and third stores. He must pay two cents 