Math Problem Statement
In how many ways the word "PROPORTIONS" can be rearranged so that all O's come together?
Solution
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Math Problem Analysis
Mathematical Concepts
Permutations
Combinatorics
Factorials
Formulas
Number of arrangements = 9! / (2! × 2!)
9! = 9 × 8 × 7 × 6 × 5 × 4 × 3 × 2 × 1
2! = 2 × 1
Theorems
Permutation formula for arranging objects with repeated elements
Suitable Grade Level
Grades 10-12
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