You Have Been Asked to Select at Least 3 Out

question 101

Short Answer

You have been asked to select at least 3 out of 7 possible sites for oil exploration. Designate each site as S1, S2, S3, S4, S5, S6, and S7. The restrictions are:
Restriction 1. Evaluating sites S1 and S3 will prevent you from exploring site S7.
Restriction 2. Evaluating sites S2 or S4 will prevent you from assessing site S5.
Restriction 3. Of all the sites, at least 3 should be assessed.
Assuming that Si is a binary variable, write the constraint for the third restriction.

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Definitions:

Canada

A country in North America, known for its vast wilderness, multicultural cities, and bilingual (English and French) heritage.

Modern Passenger Plane

A contemporary aircraft designed for the commercial transportation of passengers, featuring advancements in safety, comfort, and efficiency.

Introduction

An initial section that leads into the subject matter, providing a preview or context.

Passengers

Individuals or travelers transported on a vehicle such as a plane, train, ship, or bus.