Delegation 16263

There are 22 girls and nine boys in the class. How many ways is it possible to create a delegation with three girls and one boy?

Correct answer:

n =  13860

Step-by-step explanation:

C3(22)=(322)=3!(223)!22!=321222120=1540  C1(9)=(19)=1!(91)!9!=19=9  n=(322) (19)=1540 9=13860



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