600-(80-25)

To solve this expression, we need to follow the order of operations, which is also known as PEMDAS (Parentheses, Exponents, Multiplication and Division, Addition and Subtraction) rule.

First, we'll evaluate the expression inside the parentheses:

80 - 25 = 55

Now, we substitute the result back into the original expression:

600 - 55

Finally, we subtract:

600 - 55 = 545

So, the answer is 545.