b) The hard rock concrete company has plants in three locations and is currently working on thefour major construction projects, each located at different site. The shipping cost pertruckload of concrete, daily plant capacities, and the daily project requirements are providedin the table below:LocationABCProjectrequirementProject Ai.128140Project B411220Project C96450Project D56720Plantcapacities554530Formulate an initial feasible solution to hard rock transportation problem using VAMmethodii. Solve for the least cost of shipment using MODI method

The cost matrix is given below:Project AProject BProject CProject DPlant CapacityLocation…

Answered: b) The hard rock concrete company has…

Practical Management Science

6th Edition

ISBN:9781337406659

Author:WINSTON, Wayne L.

Publisher:WINSTON, Wayne L.

Chapter2: Introduction To Spreadsheet Modeling

Section: Chapter Questions

Problem 20P: Julie James is opening a lemonade stand. She believes the fixed cost per week of running the stand...

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Required information The Childfair Company has three plants producing child push chairs that are to be shipped to four distribution centers. Plants 1, 2, and 3 produce 12, 17, and 11 shipments per month, respec- tively. Each distribution center heeds to receive 10 shipments per month. The distance from each plant to the respective distributing centers is given below: Distance Plant 1 2 3 1 1450 1750 1250 Distribution Center 3 1050 1250 1450 Obtain an optimal solution, and determine the total cost. Total Cost = $ 2 1950 2050 1850 The freight cost for each shipment is $100 plus 50 cents per mile. 4 1350 1650 1550
Case stady: Global Village: A tourist attraction Global Village is the region’s leading family outdoor cultural and entertainment destination and one of Dubai’s most exciting and unique annual tourism and cultural destination. The theme park offers a vast selection of multicultural entertainment and retail options. Launched in 1997, Global Village made its entrance on the Creek Side opposite Dubai Municipality, and later moved to Oud Metha and then Dubai Festival City, until it found a permanent home on the outskirts of Dubai Land in 2005. Over the past 17 years, Global Village has been providing cultural entertainment along with an international shopping experience to millions of visitors. From hosting 18 country pavilions in 1997, Global Village has expanded over the years to now include over 37 pavilions, with added entertainment and culinary attractions with every season. Apart from this breathtaking live performances, mouth-watering cuisine, authentic handicrafts and merchandise…
The north-south highway system passing through Albany, New York can accommodate the capacities shown in the table below. From To Capacities 1 2 3 1 3 6 1 4 3 2 4 2 2 5 4 3 4 3 3 6 2 4 2 2 4 3 3 4 5 2 4 6 3 5 2 4 5 4 2 5 6 6 How many units go from Node 1 to 3 and 4 to 2, respectively, in order to maximize the flow. a. 5 and 1. b. 5 and 2. c. none of the answers proposed apply d. 6 and 1. e. 6 and 2.
ILP Case: Please provide a mathematical formulation for each of the constraints (appearing on separate screens) referring to the following scenario. A car rental company wants to add 5 new models to its current fleet. After some research it has shortlisted the following models as potential additions. Retail Price Car Model Manufacturer Category (in $1000) Sedan 17 12 Sedan 24 3 SUV 28 14 B Sedan 30 15 B SUV 32 16 B SUV 36 Sedan 25 18 Sedan 32 19 SUV 27 10 SUV 35 Denote the decision to add each model i = 1, 2, .., 10 by binary variables y1, y2, ., y10, respectively. A value of 0 for a decision variable indicates not adding and a value of 1 indicates adding the model to the fleet. Constraint: The company wants to select exactly 5 models.
At a local university, the Student Commission on Programming and Entertainment (SCOPE) is preparing to host its first rock concert of the school year. To successfully produce this rock concert, SCOPE has listed the requisite activities and related information in the following table (duration estimates measured in days). Immediate Most Activity Predecessor(s) Optimistic Probable Pessimistic A: Negotiate contract with - 10 11 12 selected musicians B: Reserve site - 8 10 12 C: Manage travel logistics A 2 7 9 for music group D: Screen & hire B 4 5 6 security personnel E: Arrange advertising C 7 7 7 & ticketing F: Hire parking staff A, D 8 9 16 G: Arrange concession sales E 6 7 11
2
Draw a network diagram, including ES, EF, LS, LF, Float and Duration for the following scenario:
A council has a brown-field sites designated for social housing. After allowing for roads and parks it has an area of 150000 m² for social housing. The housing association intends to build a mixture of flats, two-bedroom houses, three-bedroom houses, and shops (which include a living space) on this site. The housing association wishes to maximise the number of people that can be housed but has strict housing requirements: • there must be at least twice as many two-bedroom houses as three-bedroom houses; • at least 10% of the total housing units excluding shops (i.e. flats and houses) must be flats; • buildings containing the flats (i.e a "block") must have two storeys and every flat must have the same floor space; • shops must be provided at a rate of at least one per 1500 inhabitants. The average number of inhabitants per housing unit and the ground floor area of each are given in the following table. Housing type Flat Two-bedroom house Three-bedroom house Shop Average number of…
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Ross Hopkins, president of Hopkins Hospitality, has developed the tasks, durations, and predecessor relationships in the following table for building new motels. Activity a m b Immediate Predecessor(s) Activity a m b Immediate Predecessor(s)A 6 8 12 - G 2 3 4 C, EB 1 9 24 A H 2 2 2 FC 8 14 16 A I 7 7 7 FD 4 7 10 A J 6 7 12 D, G, HE 1 2 4 B K 1 1 4 I, JF 6 9 20 C, E a) The expected (estimated) time for activity C is 13.33weeks. (Round your response to two decimal places.) b) The variance for activity C is 1.78weeks. (Round your response to two decimal places.) c) Based on the calculation of the estimated times, the critical path is A - C - F - H - J - K . d) The estimated time for the critical path is [ ? ] enter your response here weeks. (Round your response to two…

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