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Linear Programming question

  1. Oct 2, 2011 #1
    1. The problem statement, all variables and given/known data
    Blacktop refining extracts minerals from ore mined at two different sites in Montana. Each ton of ore type 1 contains 20% copper, 20% zinc, and 15% magnesium. Each ton of ore type 2 contains 30% copper, 25% zinc, and 10% magnesium. Ore type 1 costs 90$ per ton, while ore type 2 costs 120$ per ton. Blacktop would like to buy enough ore to extract alteast 8 tons of copper, 6 tons of zinc, and 5 tons of magnesium in the least costly manner.

    Need help in the following tasks:
    1. formulating an Linear Programming model
    2. feasible region
    3. finding optimal solution

    any help would be very appreciated:)
     
  2. jcsd
  3. Oct 2, 2011 #2

    CompuChip

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    Science Advisor
    Homework Helper

    Ama111, please read the forum rules before you post.
    Not only have you not shown any attempt - have you even tried this yourself?
    Then if you start bumping your thread after 90 minutes already, I don't feel inclined to help you at all. If you're in such a hurry, start your homework earlier.
     
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