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Nadusha1986 [10]
3 years ago
12

A group of 12 people is traveling in three vehicles. If 4 people ride in each​ vehicle, in how many different ways can the peopl

e be assigned to the​ vehicles?
Mathematics
1 answer:
k0ka [10]3 years ago
5 0

Answer:

So, exist 34650 different ways.

Step-by-step explanation:

We know that a group of 12 people is traveling in three vehicles. We know that  4 people ride in each​ vehicle.

So, for the first car we choose 4 people out of 12. Then from the remaining 8 people we choose 4 people for the second car. While the remaining 4 people will go into the third car.

Therefore, we get

C_4^{12}\cdot C_4^8\cdot C_4^4=\frac{12!}{4!(12-4)!}\cdot \frac{8!}{4!(8-4)!}\cdot 1=495\cdot 70=34650\\

So, exist 34650 different ways.

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