Suppose That $| A | = | B | = | C | = 100 , | A \cap B | = 60 , | A \cap C | = 50 , | B \cap C | = 40 , \text { and } | A \cup B \cup C | = 175$

question 1

Essay

Suppose that $| A | = | B | = | C | = 100 , | A \cap B | = 60 , | A \cap C | = 50 , | B \cap C | = 40 , \text { and } | A \cup B \cup C | = 175$
How many elements are in $A \cap B \cap C ?$

---

Definitions:

Alderfer's ERG Theory

A human needs theory in organizational behavior that categorizes human needs into three groups: Existence, Relatedness, and Growth.

Diminishing Marginal

refers to the principle in economics where each additional unit of input results in a smaller increase in output, commonly applied in the context of production and utility.

Marginal Productivity

The additional output produced as a result of employing one more unit of a factor of production.

Total Product

The total quantity of output produced by a firm with a given amount of inputs during a specific period.