Final answer:
When adding the numbers 23.5 and 7.025, align the decimal points and add each column to get the sum of 30.525, which is choice A.
Step-by-step explanation:
To solve the addition problem 23.5 + 7.025, we align the decimal points and add the numbers column by column:
- Start with the rightmost digits (in the hundredths place).
- Add each column, and carry over if the sum is greater than 10.
- Remember to put the decimal point directly below the other decimal points in the result.
Let's add them up:
23.5
+ 7.025
-------
30.525
The correct answer is A. 30.525.