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OpenStudy (jamanorthi):
shane wants to attend 3 concert. she has a choice of 7. how many concert combination are there???
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OpenStudy (anonymous):
It is a 7x6x5, or 7P3 which comes out to be 210
OpenStudy (jamanorthi):
yeah but one of my friend got 35 and on her test she got that right
OpenStudy (anonymous):
the teacher might grade it wrong
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