# In how many ways can 5 letters be mailed if there are 2 mailboxes available?

##### 1 Answer

Apr 10, 2016

32

#### Explanation:

We can mail N letters in one box, and the remaining

We can select N out of 5 in

So, the total number of all possible ways is

This sum is 1 + 5 + 10 + 10 + 5 + 1 = 32.