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Seven friends want to play a game. They must be divided into two teams with three people in each team and one leader. In how many ways can they do it?

Respuesta :

Answer:70

Step-by-step explanation:

Given

total of  7 friends need to be divided in two groups with 3 member each and  1 leader

leader can be chosen out of 7 person in [tex]^7C_1[/tex] ways

And 3 person out of remaining 6 persons in [tex]^6C_3[/tex] ways

thus a total of [tex] ^7C_1\times ^6C_3[/tex]  ways is possible

If order is not matter then

[tex]\frac{140}{2} [/tex] ways are possible

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