A person has 4 coins each of different denomination. What is the number of different sums of money the person can form

To solve this problem, let's break it down.

Given that the person has 4 coins, each with a different denomination, we need to determine how many different sums of money can be formed using any combination of these coins.

### Explanation:
Each coin can either be included in a sum or not. This gives us 2 choices (include or exclude) for each coin. Since there are 4 coins, the total number of combinations is \(2^4 = 16\). 

However, this count includes the combination where no coin is chosen, which results in a sum of 0. Since we are

Understand how to determine the number of different sums of money that can be formed using 4 coins, each with a unique denomination. This problem explores combinatorial principles where each coin can either be included or excluded from a sum. Suitable for students in Grades 7-9.

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