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In how many ways can you choose a committee of 7 from a total of 20 people?
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In how many ways can you choose a committee of 7 from a total of 20 people?

User David Benitez Riba
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(20 c 7) = 20*19*18*17*16*15*14/(7*6*5*4*3*2*1)
= 77,520
User Vzhen
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