The OPQ Company owns two mines, each of which produces three grades of ore - high, medium, and low. The company has a co

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The OPQ Company owns two mines, each of which produces three
grades of ore - high, medium, and low. The company has a contract
to supply a smelting company with at most 21 tons of high-grade
ore, 7 tons of medium-grade ore, and 18 tons of low-grade ore. Each
mine produces a certain amount of each type of ore during each hour
that it operates. Mine 1 produces 13 tons of high-grade ore, 6 tons
of medium-grade ore, and 4 tons of low-grade ore per hour. Mine 2
produces 3, 5, and 24 tons, respectively, of high-, medium-, and
low-grade ore per hour. It costs Copperfield $160 per hour to mine
each ton of ore from mine 1, and it costs $200 per hour to mine
each ton of ore from mine 2. The company wants to determine the
number of hours it needs to operate each mine so that its
contractual obligations can be met at the lowest cost. [Note: X1 =
number of hours needed to operate Mine 1. X2 = number of hours
needed to operate Mine 2.]
The objective function for the model is Min Z = 200X1 +
160X2.
Group of answer choices
True
False