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abruzzese [7]
3 years ago
11

A relay team of 4 swimmers is to be formed from a swim team with 20 member. How many different relay teams are possible?

Mathematics
1 answer:
Mars2501 [29]3 years ago
5 0
<span>When order does not matter you use what is called n choose k formula

n!/(k!(n-k)!) where n is the number of things to choose from and k is the number of choices made, in this case:

20!/(4!(20-4)!)=4845</span>
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