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考试样题代写 ADM 2302代写

2023-03-24 15:20 星期五 所属: 商科代写 浏览:383

SAMPLE MIDTERM EXAM #1

ADM 2302

考试样题代写 Question # 1 (6 points): Find the complete optimal solution to this Linear Programming problem. Min  Z = 3×1 + 3×2 Subject to 12×1 + 4×2 >=  48

Duration: 90 minutes

Total points = 30 points

 

Question # 1 (6 points):   考试样题代写

Find the complete optimal solution to this Linear Programming problem.

Min  Z = 3×1 + 3×2

Subject to

12×1 + 4×2 >=  48

10×1 +  5×2 >= 50

4×1 +  8×2 >= 32

x1, x2 >= 0

 

Question # 2 (12 points):   考试样题代写

A company produces tools at two plants and sells them to three customers. The cost of producing 1000 tools at a plant and shipping them to a customer is given in Table below:

                     Customer1    Customer2    Customer3

Plant 1               $60                    $30                       $160

Plant 2               $130                  $70                       $170

Customers 1 and 3 pay $200 per thousand tools; customer 2 pays $150 per thousand tools. To produce 1000 tools at plant 1, 200 hours of labour are needed, while 300 hours are needed at plant 2. A total of 5500 hours of labour are available for use at the two plants. Additional labour hours can be purchased at $20 per labour hour. Plant 1 can produce up to 10,000 tools and plant 2, up to 12,000 tools. Demand by each customer is assumed unlimited.

If we let Xij = number of tools (in thousands) produced at plant i and shipped to customer j, and L = number of additional hour purchased.

The problem when formulated as an LP and solved is as follows:

Max. Z = 140 X11 + 120 X12 + 40 X13 + 70 X21 + 80 X22 + 30 X23 – 20 L

Subject to

C1           1 X11 + 1 X12 + 1 X13 <= 10

C2           1 X21 + 1 X22 + 1 X23 <= 12

C3           200 X11 + 200 X12 + 200 X13 + 300 X21 + 300 X22

+ 300 X23 – 1 L <= 5500

 

考试样题代写
考试样题代写

 

a)If it costs $70 to produce 1000 tools at plant 1 and ship them to customer 1, what would be the new solution to the problem and the profit? (3 points)

b)If the price of an additional hour of labor were reduced to$4, would the company purchase any additional labor? (3 points)

c)A consultant offers to increase plant 1’s production capacity by 5000 tools for a cost of $400. Should the company take the offer? (3 points)

d)If the company were given 5 extra hours of labor, what would the profit become? (3 points)

 

Question # 3 (12 points):   考试样题代写

Margaret Young’s family owns five panels of farmland broken into a southwest sector, north sector, west sector, and southwest sector. Young is involved primarily in growing wheat, alfalfa, and barley crops and is currently preparing her production plan for next year. The Pennsylvania Water Authority has just announced its yearly water allotment, with the Young farm receiving 7,400 acre-feet. Each parcel can only tolerate a specified amount of irrigation per growing season, as specified below:

 

考试样题代写
考试样题代写

 

Young’s best estimate is that she can sell wheat at a net profit of $2 per bushel, alfalfa at $40 per ton, and barley at $50 per ton. One acre of land yields an average of 1.5 tons of alfalfa and 2.2 tons of barley. The wheat yield is approximately 50 bushels per acre.

Formulate Young’s production plan. (Define the decision variables, objective function and the constraints).

 

 

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