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Chemistry 15 Online
OpenStudy (anonymous):

Sally has 5 bracelets and decides to wear 3 of them to school. How many ways can she choose 3 bracelets if the order she wears them in does not matter? A.5 B.10 C.60 D.120

OpenStudy (agent0smith):

From 5 choose 3. Use the formula for combinations.

OpenStudy (agent0smith):

http://steepery.com/wp-content/uploads/CombinationFormula.jpg Find 5C3 using that.

OpenStudy (anonymous):

Thanks

OpenStudy (anonymous):

The answer is B) 10

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