Asked by sam

There are 6 dancers in a program. Each dancer will preform a short dance with each of the other dancers before the program is over. How many dancers will there be
Answered by Ms. Sue
Your problem states that there are 6 dancers.

Do you need to know how many dances there will be?

Answered by sam
Yes how many dances
Answered by Ms. Sue
There should be 15 dances.

Answered by ellis
ms.sue could you please answer my question i previousl posted
Answered by sam
How did you come up with that #?
Answered by Ms. Sue
Dancer 1 dances with dancers 2, 3, 4, 5, 6

2: 3, 4, 5, 6,

3: 4, 5, 6

4: 5, 6

5: 6
Answered by sam
Understood thanks!
Answered by Ms. Sue
You're welcome.

Answered by Damon
combinations of 5 taken 2 at a time
c(5,2) = 5!/[3!*2!] = 5*2 = 10
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