Answered: A company uses four special tank trucks…

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Question

A company uses four special tank trucks to deliver four different gasoline products to customers. Each
tank has five compartments with capacities: 500, 750, 1200, 1500, and 1750 gallons. The daily demands for
the four products are 10000, 15000, 12000, and 8000 gallons. Any quantities that cannot be delivered by the
company’s four trucks must be subcontracted at the additional costs of 5, 12, 8, and 10 cents per gallon for
products 1, 2, 3, and 4, respectively. The goal is to develop the optimal daily loading schedule for the four
trucks that will minimize the additional cost of subcontracting. Formulate this problem as an integer linear
program, and solve it (not by hand).

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