Question

How many ways can a teacher give three different prizes to three of her 27 students?

Answer 1

21 divided by 3 is seven: 7

Answer 2

but

Answer 3

its 9

Answer 4

because 3*9=27

Answer 5

How did you get 9

Answer 6

Did I make that understandable

Answer 7

Wait I see now thanks

Answer 8

Well you take 27 and three and divide them and its 27

Answer 9

Yes u did

Answer 10

I don't think that's right

Answer 11

\[\frac{ 27! }{ (27-3)! } = 17 550\]

Answer 12

http://betterexplained.com/articles/easy-permutations-and-combinations/

Answer 13

Explanation in the link.

Answer 14

Thank you looking at it now

Answer 15

@Howard-Wolowitz you might want to look at it too