Question

Alan has 6 water bottles in her desk. In how many different ways can he choose 2 water bottles?

Answer 1

Answer:

15 ways

Step-by-step explanation:

The answer would be 6 choose 2, which is:

$\frac{6!}{2!4!} = \frac{6\cdot5\cdot4!}{4!2!}=\frac{6\cdot5}{2}=15$

Therefore, there are 15 ways to choose 2 of the 6 water bottles Alan has.

By the way, if this helps, could you please give me brainliest? :)