## Math Problem Statement

## Solution

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## Math Problem Analysis

### Mathematical Concepts

Probability

Permutations

### Formulas

Total permutations of n people = n!

Probability (A and B adjacent) = 2 / n

Probability (A and B r seats apart) = (2 * (n - r)) / n!

### Theorems

Permutations Principle

Basic Probability

### Suitable Grade Level

Grades 10-12

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