An oil company owns two refineries. The daily production limits and operating costs for each refinery are given in the table below. An order is received for 1540 barrels of high-grade oil, 1650 barrels of medium-grade oil, and 2860 barrels of low-grade oil. How many days should each refinery operate so that the order can be filled at the least cost?
Refinery 1 Refinery 2
High-grade oil (barrels) 110 220
Medium-grade oil (barrels) 220 110
Low-grade oil (barrels) 330 220
Operating cost (barrels) 14,000 8,000
X = _________
Y = _________
Constraints:
Objective Function: __________
Least Cost: ___________
3 answers