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Upon Examining the Contents of 38 Backpacks, It Was Found

question 22

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?


Definitions:

Bulimia

An eating disorder characterized by episodes of binge eating followed by behaviors to prevent weight gain, such as vomiting, fasting, or excessive exercise.

Major Depressive Disorder

A mental health disorder characterized by persistent feelings of sadness, hopelessness, and a lack of interest or pleasure in activities, significantly affecting daily functioning.

Weight Loss

The process or result of reducing total body mass, typically through diet, exercise, or a combination of both.

Over-Eating

Consuming food in quantities greater than the body's energy requirement, which can lead to weight gain and other health issues.

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