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Linear Programming

Linear Programming : Profit Contribution and Maximizing Profit

Skillings Industrial Chemicals, Inc., operates a refinery in southwestern Ohio near the Ohio River. The company's primary product is manufactured from chemical process that requires that use of two raw materials-material A and material B. The production of 1 pound of the primary product requires the use of 1 pound of material A

Linear Programing : Maximizing Profit (Simplex Method using Tableaus)

An artist is painting a supply of small paintings to sell at an arts festival. He can paint three landscapes per hour and two seascapes. He can frame five paintings per hour. He has 50 hours available for painting and 25 hours for framing. How many of each type of painting should he paint and frame in order to maximize the tota

Integer Programming/Transportation Modeling

I have selected what I think is correct. Please verify correctness and explain your answer. 16. If we are solving a 0-1 integer programming problem, the constraint x1 + x2 = 1 is a ________________constraint. a. multiple choice *****b. mutually exclusive c. conditional d. corequisite e. none of the above 17. I

Linear Programming - Bikes and Furniture

1. A large sporting goods store is placing an order for bicycles with its supplier. Four models can be ordered: the adult open trail, the adult cityscape, the girl's sea sprite, and the boy's trail blazer. It is assumed that every bike ordered will be sold, and their profits, respectively, are 30, 25, 22, and 20. The linear

Linear Programming Problem

Solve the following problems: Find the optimal solution and graph. Please show all work: 1. MINC .5x + .3y x + 2y is > or = to 10a x + y is > or = to 8b 2. change the constraint B to < or = to.

Operations Research

The Eastside Manufacturing Company produces four different aircraft components from fabricated sheet metal for several major aircraft companies. The manufacturing process consists of four operations - stamping, assembly, finishing, and packaging. The processing time per unit for each of the operations and total available hours

Linear Programning

A baby products firm produces a strained baby food containing liver and milk, each of which contribute protein and iron to the baby food. Each jar of baby food must have 36 milligrams of protein and 50 milligrams of iron. The company has developed the following linear programming model to determine the number of ounces of live

Linear Programming Sensitivity Analysis

PLEASE EXPLAIN YOUR ANSWERS (why did you choose T instead of F or A instead of C, etc.). C 1. Which of the following is not a component of the structure of a linear programming model? a. parameters b. decision variables c. environment of certainty d. constraints F 2. In a linear programming model, the numb

Linear Programming Sensitivity Analysis

PLEASE EXPLAIN YOUR ANSWERS (why you choose A instead of C, etc.). C 6. For a resource constraint, either its slack value must be _____ or its shadow price must be ________ a. negative, negative b. negative, zero c. zero, zero d. zero, negative D 7. For a linear programming problem, assume that a given

Multiple choice

(See attached file for full problem description) In the graph area problems looking for the steps --- 1. The maximization or minimization of a quantity is the a. goal of management science. b. decision for decision analysis. c. constraint of operations research. d. objective of linear programming. 2. Which of

Operations Research

A mathematical programming system named SilverScreener uses a 0-1 integer programming model to help theater managers decide which movies to show on a weekly basis in a multiple-screen theater (Interfaces, May/June 2001). Suppose that management of Valley Cinemas would like to investigate the potential of using a similar scheduli

Operations Research

I need help solving this problem and also I need to know exactly what the constraints are for this problem and how to figure out the constraints. --- Burnside Marketing Research conducted a study for Baker Foods on some designs for a new dry cereal. Three attributes were found to be most influential in determining which cer

Using a Linear Programming Model to Minimize Cost

Carson Metals Company produces metal alloys from six different ores it mines. The ores and the metal content of each are described in the table below. The company has an order from a customer to produce an alloy that contains four metals according to the following specifications: at least 21% of metal A, no more than 12% of met

Operations Research

Tasca Motors, Inc. (TMI) manufactures two different electrical motors for sale under contract to Drexel Corp., a well-known producer of small kitchen appliances. Its model TM3A is found in many Drexel food processors and its model TM3B is used in the assembly of blenders. Three times each year, the procurement officer at Drexe

Operations Research

I need help in solving this linear programming model, specifically in identifying the different constraints for the problem. --- The Goliath Tool and Machine Shop produces a single product consisting of three sub-components that are assembled to form the product. The three components are manufactured in an operation involvin

Operations Research and Linear Programming

I need help finding the constraints for this problem as well as solutions to part b and c. --- Wal-Mart, a discount store chain, is planning to build a new store in Rock Springs, Maryland.. The parcel of land the company owns is large enough to accommodate a store with 140,000 square feet of floor space. Based on marketing a

Operations research and Linear programming

I need help finding the constraints for this problem as well as solutions to part d and c. (See attached file for full problem description) --- Benson Electronics manufactures a number of components and products for a variety of commercial applications. Each product places different demands on the various departments wit

Linear Programming : Finding Constraints

Please formulate the constraints for this problem as well as solutions to parts c and d. --- Round Tree Manor is a hotel that has two types of rooms with three rental classes: Super Saver, Deluxe, and Business. The profit contribution per night for each type of room and rental class is as follows: (see attached file for

Operations research and Linear programming

I need help finding the constraints to this problem. Also I need help understanding part b. --- The Thompson Furniture Company produces inexpensive tables and chairs using a production process common for both products. Each table requires 4 hours in the carpentry department and 2 hours in the painting and varnishing departme

Linear Programming : Duality and the Simplex Method

Consider the following linear programming problem: Maximize 2x1 + 3x2 + 5x3 Subject to x1 + 2x2 + 3x3 &#8804; 8 x1 - 2x2 + 2x3 &#8804; 6 x1, x2, x3 &#8805; 0 a. Write the dual problem b. Solve the foregoing proble

Linear Programming : Optimizing Product Mix

The Androgynous Bicycle Company (ABC) has the hottest new products on the upscale toy market -- boys' and girls' bicycles in bright fashion colors, with oversized hubs and axles, shell design safety tires, a strong padded frame, chrome-plated chains, brackets and valves, and a non-slip handlebar. Due to the seller's market for h

Linear Programming : Optimizing Acreage of an Olive Farm

The seasonal yield of olives in a Pireaus, Greece, vineyard is greatly influenced by a process of branch pruning. If olive trees are pruned every two weeks, output is increased. The pruning process, however, requires considerably more labor than permitting the olives to grow on their own and results in a smaller size olive. It a

Linear Programming : Finding Constraints

PharmaPlus operates a chain of 30 pharmacies. The pharmacies are staffed by licensed pharmacists and pharmacy technicians. The company currently employs 85 full-time equivalent pharmacists (combination of full time and part time) and 175 full-time equivalent technicians. Each spring management reviews current staffing levels and

Linear Programming

I need a formulation and solution to finding extreme points. (See attached file for full problem description) 1. ABC wants to plan its electricity capacity for the next T years. ABC has a forecast of dt megawatts for electricity during year t = 1,... T. The existing capacity which is in the form of oil-fired plants will

Quantitative Stats

The production manager for the Whoppy soft drink company is considering the production of 2 kinds of soft drinks: regular and diet. The company operates one "8 hour" shift per day. Therefore, the production time is 480 minutes per day. During the production process, one of the main ingredients, syrup is limited to maximum produ

Quantitative Methods Linear/Integer Programming Study Questions

_______ 1. Linear programming models have decision variables for measuring the level of activity. _______ 2. In a transportation problem, a demand constraint for a specific destination represents the amount of product demanded by a given destination (customer, retail outlet, store). _______ 3. In a problem involving c