The James MacGregor Mining Company Owns Three Mines: I, II

question 17

Multiple Choice

The James MacGregor Mining Company owns three mines: I, II, and III. Three grades of ore, A, B, and C, are mined at these mines. For each grade of ore, the number of tons per week available from each mine and the number of tons per week required to fill orders are given in the following table. ​ ​
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Find the number of days that the company should operate each mine so that orders are filled at minimum cost. Find the minimum cost.
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• A)Minimum cost is $54,000 obtained by operating mine I for 2 days, mine II for 2 days, and mine III for 2 days.
• B)Minimum cost is $93,400 obtained by operating mine I for 3 days, mine II for 3 days, and mine III for 4 days.
• C)Minimum cost is $83,600 obtained by operating mine I for 2 days, mine II for 4 days, and mine III for 3 days.
• D)Minimum cost is $74,600 obtained by operating mine I for 4 days, mine II for 3 days, and mine III for 2 days.
• E)Minimum cost is $78,400 obtained by operating mine I for 4 days, mine II for 2 days, and mine III for 3 days.

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Definitions:

CHARACTER COUNTS!

A framework that promotes ethical values and character development based on six universally accepted pillars: trustworthiness, respect, responsibility, fairness, caring, and citizenship.

Character Pillar

Fundamental virtues or values that are considered essential to the development of good moral character.

Community

A collection of individuals residing in a similar location or sharing a specific trait.

Unpaid Extra Hours

Time spent working beyond the contracted hours without additional pay, often exceeding the standard workweek expectations.