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?
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OpenStudy (escamer):
15 I think
OpenStudy (anonymous):
i think 6
OpenStudy (anonymous):
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OpenStudy (escamer):
yeah she is right ;-;
OpenStudy (anonymous):
the only options are 5 10 60 120...
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OpenStudy (anonymous):
id go with 5
OpenStudy (anonymous):
how did you get 5?
OpenStudy (anonymous):
sorry my bad one second
OpenStudy (anonymous):
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124
OpenStudy (anonymous):
it 60
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OpenStudy (anonymous):
because
OpenStudy (anonymous):
if you have five bracelets, there are more than 6 different ways to choose three
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Because I have shown there are 12 for each different starter bracelet. There are 5 different bracelets to start with. 5 * 12 = 60. therefore there are 60 different combinations.