Which subtraction gives the answer 23?

To find which subtraction gives the answer 23, we start with the number 30 and subtract each choice from it to see which results in 23.

Starting from 30, if we subtract 7, we calculate:

30 - 7 = 23.

This confirms that subtracting 7 from 30 results in 23, making this choice the correct answer.

In contrast, if we examine the other options:

• 30 minus 6 equals 24,
• 30 minus 5 equals 25,
• 30 minus 8 equals 22.

None of these result in 23. Therefore, the only correct calculation that satisfies the question is subtracting 7 from 30.