Math Problem Statement
Hay 4 personas en una habitación, cada una da un solo apretón de ambos con cada una de las demás. Cuántos apretones de manos de dan en total?
Solution
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Math Problem Analysis
Mathematical Concepts
Combinatorics
Counting
Formulas
Combination formula C(n, 2) = n(n-1)/2
Theorems
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Suitable Grade Level
Grades 6-8
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