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Mathematics, 30.09.2019 14:30 plumv2145

Sara has 6 necklaces, but her mother will only allow her to wear two at a time. how many different ways can sara wear two necklaces?
a. 30 b. 15 c. 360 d. 12

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Sara has 6 necklaces, but her mother will only allow her to wear two at a time. how many different w...

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