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Unformatted text preview: 1 UNIVERSITY OF WATERLOO MIDTERM EXAMINATION CO351, Winter Term 2007 Surname: First Name: Id.#: Course Number CO 351 Course Title Network Flows Instructor J. Konemann Date of Exam February 15, 2007 Time Period 7-9PM (conflict-time 5-7pm) Number of Exam Pages 14 (including this cover sheet) Exam Type Closed Book Additional Materials Allowed Calculator Additional Instructions Write your answers in the space provided. Problem Value Mark Awarded Problem Value Mark Awarded 1 20 4 24 2 24 5 16 3 16 Total 100 2 1. Modeling with Shortest Paths (20 Points) A factory requires the following number of units of certain chemical component X for each of the next 4 days. Days 1 2 3 4 Requirements (in units) 5 9 6 2 Component X is stored in a special container. This container can only be refilled after it has been completely emptied. You can buy the chemical at the start of each day. The price varies from day to day. When refilling the container you pay a fixed cost, plus the cost per unit, times the number of units you buy....
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This note was uploaded on 11/18/2010 for the course CO 351 taught by Professor Various during the Fall '05 term at Waterloo.
- Fall '05