Nishi has 5 coins, each of the different denomination. Find the number different sums of money she can form.

Explanation

To solve the problem of finding the number of different sums of money Nishi can form with her 5 coins of different denominations, we can follow these steps:

### Step 1: Understand the Problem
Nishi has 5 coins, each with a different denomination. We need to determine how many unique sums of money can be formed using these coins.

### Step 2: Consider the Combinations
Each coin can either be included in a sum or not. Therefore, for each of the 5 coins, there are 2 choices: include the coin or exclude it.

...