What is 25 + 15?

To determine the correct sum of 25 and 15, you need to add these two numbers together. Starting with 25, you add 15:

• First, you can break down the addition into simpler steps if needed. For example, you could think of adding 10 to 25, which gives you 35, and then adding the remaining 5 will bring you to 40.

Alternatively, adding them directly:

25 + 15 = 40.

This makes 40 the correct answer, as it accurately represents the total when combining the two numbers. In this case, the choice provided is not accurate based on the arithmetic we performed.