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Tasya [4]
3 years ago
5

A club has 12 members. In how many ways can we select four members to go on a trip?

Mathematics
1 answer:
ivanzaharov [21]3 years ago
3 0
This is the number of combinations of 4 from 12

12C4   =        12!
                 ----------
                  4! 8!

=    12*11*10*9             11*5*9  =  495
      --------------     = 
        4*3*2*1
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