Jessica wants to take three books on vacation with her. She has five books to choose from. How many possible combinations of thr

Question

3 years ago

5

ee books could she take on vacation?

2 answers:

bonufazy [111] · Answer 1 · 2022-03-10T13:28:27+03:00

6 0

Answer:

We use the combination formula:

combinations = n! / r! * (n-r)!

n = 5 and r =3

combinations = 5! / 3! * 2!

combinations = 5! / 12

combinations = 5 * 4 * 3 * 2 * 1 / 12

combinations = 5 * 2 = 10

Step-by-step explanation:

Sedaia [141] · Answer 2 · 2022-03-10T12:28:05+03:00

Sedaia [141]3 years ago

4 0

It would have to be 3/5