To find the total number of items in the candy shop, we can set up the following equation based on the information given:
Total items = Chocolates + Cookies + Truffles
According to the problem:
- The total number of items is 100.
- The number of chocolates is 25.
- The number of cookies is 17.
- The number of truffles is represented by \( T \).
Putting this together, we get the equation:
\[ 100 = 25 + 17 + T \]
To simplify it, we can combine the known quantities:
\[ 100 = 42 + T \]
Now, if we want to express \( T \), we can rearrange the equation:
\[ T = 100 - 42 \]
\[ T = 58 \]
Thus, the equation that represents your situation is:
\[ 100 = 25 + 17 + T \]
And we conclude that \( T = 58 \).