An oil company wants to create lube oil, gasoline and diesel fuel at two refineries. There are two sources of crude oil. Consider arc 2-4. The per unit shipping cost of crude B from source 2 (node 2) to refinery 2 (node 4) is $11 and the yield is 85 percent. The following flowchart depicts this problem. What is the balance of flow constraint for node 7 (Diesel)? A) X₃₅ + X₃₆ + X₃₇ = 75 B) X₃₇ + X₄₇ ≥ 75 C) .90 X₃₇ + .95 X₄₇ = 75 D) X₃₇ + X₄₇ −X₃₆ − X₃₅ − X₄₅ − X₄₆ ≥ 75

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The Answer of An oil company wants to create lube oil, gasoline and diesel fuel at two refineries. There are two sources of crude oil. Consider arc 2-4. The per unit shipping cost of crude B from source 2 (node 2) to refinery 2 (node 4) is $11 and the yield is 85 percent. The following flowchart depicts this problem. What is the balance of flow constraint for node 7 (Diesel)? A) X₃₅ + X₃₆ + X₃₇ = 75 B) X₃₇ + X₄₇ ≥ 75 C) .90 X₃₇ + .95 X₄₇ = 75 D) X₃₇ + X₄₇ −X₃₆ − X₃₅ − X₄₅ − X₄₆ ≥ 75

An Oil Company Wants to Create Lube Oil, Gasoline and Diesel