Upon Examining the Contents of 38 Backpacks, It Was Found

question 42

Multiple Choice

Upon examining the contents of 38 backpacks, it was found that 23 contained a black pen, 27 contained a blue pen, and 21 contained a pencil, 15 contained both a black pen and a blue pen, 12 contained both a black pen and a pencil, 18 contained both a blue pen and a pencil, and 10 contained all three items. How many backpacks contained exactly one of the three writing instruments?

• A) 2
• B) 3
• C) 11
• D) 15

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Definitions:

Consistent Models

Models or frameworks that are applied uniformly and reliably over time in similar situations or conditions.

Servant Leaders

Leaders who prioritize the needs of their team or followers over their own, aiming to enhance others' growth, autonomy, and well-being.

Researcher(s)

Individuals or groups that conduct systematic investigations to establish facts or principles, typically in an academic or professional context.

Servant Leader

A leadership philosophy where the main goal of the leader is to serve others, prioritizing the needs of the team or organization over their own.