A Poster Is to Contain 240 In² of Printed Matter

question 345

Essay

A poster is to contain 240 in² of printed matter with margins of 3 in. each at top and bottom and 2 in. at each side. Find the overall dimensions if the total area of the poster is to be a minimum.

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Definitions:

Air-quality Standard

Regulations and guidelines intended to maintain or improve the quality of the air in outdoor or indoor spaces.

Stationary Sources

Fixed sites or installations that emit pollutants into the environment, such as factories or power plants.

Federal Government

The system of government at the national level in a federal state, which has specific powers over matters not delegated to the states.

Environmental Regulation

Laws and rules enforced by governments to control human activities that impact the environment, aiming to reduce pollution and protect natural resources.