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Mathematics 7 Online
OpenStudy (jamanorthi):

shane wants to attend 3 concert. she has a choice of 7. how many concert combination are there???

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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