Professor McNally Asks the Students to Tell What Percentage of the American

question 15

Multiple Choice

Professor McNally asks the students to tell what percentage of the American population is made up of elderly people. Joan correctly answers that the elderly accounor about _____% of the U.S. population.

• A) 7
• B) 12
• C) 31
• D) 43

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Definitions:

Plastic

Synthetic materials made from polymers that can be molded into shape while soft and then solidified, widely used in a vast range of products.

Wood

A hard, fibrous material made of the trunks and branches of trees, used for construction, making furniture, and other purposes.

Production Function

An equation or model that describes the relationship between the inputs used in production and the output of goods or services.

Plastic

A wide range of synthetic or semi-synthetic materials that use polymers as a main ingredient and are malleable, making them suitable for various applications.