A video store is running a closeout special of 5 DVDs for $15. If the store has 42 different titles in the closeout section, how

Question

3 years ago

11

many different
combinations of 5 DVDs can be purchased?

1 answer:

Elenna [48] · Answer 1 · 2022-05-30T02:12:41+03:00

4 0

Answer:

C. 850,668

Step-by-step explanation:

Since order doesn't matter, we use the combination equation: nCr

We first need to find n, which would be 42. Then we find r, which is 5.

We plug them into either the equation or a calculator

(42!)/(5!(42-5)!) = 850,668