44,469 views
12 votes
12 votes
Please how can I solve this????

Please how can I solve this????-example-1
User Gribesh Dhakal
by
3.1k points

1 Answer

23 votes
23 votes

Explanation:

You will use combinations

20C3 = 20*19*18= 6840 there are 6840 combinations that are possible. You can look up to find a combination calculator. For combinations the order does not matter, this order does not matter. For permutations order does matter.

User Pengin
by
3.4k points