Student Suite Cd-rom For Winston's Operations Research: Applications And Algorithms
Student Suite Cd-rom For Winston's Operations Research: Applications And Algorithms
4th Edition
ISBN: 9780534423551
Author: Wayne L. Winston
Publisher: Cengage Learning
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Chapter 7, Problem 14RP

Explanation of Solution

Assumptions:

  • Let LAD and LAH represent the number of “100000” barrels of oil shipped from Los Angeles (L.A.) to Dallas and Houston, respectively.
  • Let SDD and SDH represent the number of “100000” barrels of oil shipped from San Diego to Dallas and Houston, respectively.
  • Let DNY and DC represent the number of “100000” barrels of oil shipped from Dallas to New York (N.Y.) and Chicago, respectively.
  • Let HNY and HC represent the number of “100000” barrels of oil shipped from Houston to N.Y. and Chicago, respectively.

Formulation:

  • It is given that in L.A., a maximum of “400000” barrels of oil are able to be produced per day. It is represented by,

    LAD+LAH<=4

  • It is given that in San Diego, a maximum of “500000” barrels of oil are able to be produced per day. It is represented by,

    SDD+SDH<=5

  • From the table, the cost of shipping “100000” barrels of oil between the cities L.A. and Dallas is “300”, and the cities San Diego and Dallas is “420”.
  • Hence, the total cost of shipping the barrels of oil from L.A. and San Diego to Dallas is as follows,

    CostD=300LAD+420SDD

  • From the table, the cost of shipping “100000” barrels of oil between the cities L.A. and Houston is “110”, and the cities San Diego and Houston is “100”.
  • Hence, the total cost of shipping the barrels of oil from L.A. and San Diego to Houston is as follows,

  CostH=110LAH+100SDH

  • It is given that in Dallas, the cost of refining oil per “100000” barrels, is “$700”. It is represented by,

    CostrefD=700LAD+SDD

  • It is given that, the cost of refining oil per “100000” barrels, is “$900” in Houston. It is represented by,

    CostrefH=900LAH+SDH

  • Given that Chicago customer needs refined oil of at least “400000” barrels of oil per day. It is represented by,

    DC+HC>=4

  • Given that N.Y. customer needs refined oil of at least “300000” barrels of oil per day. It is represented by,

    DNY+HNY>=3

  • From the table, the cost of shipping “100000” barrels of oil between the cities Dallas and N.Y.is “450”, and the cities Houston and N.Y. is “470”.
  • Hence, the total cost of shipping the barrels of oil from Dallas and Houston to N.Y. is as follows,

    CostNY=450DNY+470HNY

  • From the table, the cost of shipping “100000” barrels of oil between the cities Dallas and Chicago is “550”, and the cities Houston and Chicago is “530”

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