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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?

 Jan 23, 2024
 #1
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Looks like your HW, with the last sentence and all. Why don't you try it yourself, give it some effort, and when you cannot do it, can ask for help. and put what you've tried.

 

For the second part, there are 18 people, and the 2 people have to be different, so its just 18 * 17 divided by 2 which is 153 ways

 Jan 25, 2024

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