IEOR 160-practice final - IEOR 160 - Practice Final Fall...

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IEOR 160 - Practice Final Fall 2008 Problem 1 Three cities are located at the vertices of an equilateral triangle. (That is, the distance between any two cities is the same as the distance between any two other cities.) An airport is to be built at a location that minimizes the total (straight-line) distance from the airport to the three cities. Clearly define the variables needed for this problem and formulate the objective function. You need not solve the problem. Problem 2 Consider the following project data: Activity Predecesso rs Duration (days) A - - 4 B - - 5 C A 16 D B 11 E A, B 17 F D, E 7 a. In the space below, draw the project network with activities on nodes . b. Compute each activity's EST (earliest starting time), LST (latest starting time) and slack. Write your answers in the table below. Explain (in short) how you computed these values. What is the earliest completion time of the project? c.
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IEOR 160-practice final - IEOR 160 - Practice Final Fall...

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