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

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

User Pxl
by
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1 Answer

5 votes
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
User John De Santiago
by
7.6k points
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