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A baking club wants to form an executive committee.  There are $18$ people in the baking club, including Mark.  In how many ways can the baking club form an executive committee with $2$ people?

 

A baking club wants to form an executive committee.  There are $18$ people in the baking club, including Mark.  In how many ways can the baking club form an executive committee with $2$ people, including Mark?

 

A baking club wants to form an executive committee.  There are $18$ people in the baking club, including Mark.  In how many ways can the baking club form an executive committee with $2$ people, not including Mark?

 

What do you notice about your answers to all three parts?

 Apr 9, 2024
 #1
avatar+128794 
+1

First one   C(18,2)

 

Second one :  Choose Mark and  1 of 17 other people =17 ways  

 

Lst one :  C(17,2)

 

 

cool cool cool

 Apr 9, 2024

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