Answer: 48.09
Explanation:
Among the options provided, 48 is closest to 48.09.
Here's how you can determine this:
1. 48 is obviously closest to itself.
2. 48.4 is greater than 48 because it's 0.4 units away.
3. 48 1/2 (48.5) is also greater than 48 because it's 0.5 units away.
4. 48 3/5 (48.6) is greater than 48 because it's 0.6 units away.
5. 48.09 is the closest to 48 because it's only 0.09 units away.
So, 48.09 is the number closest to 48 among the options provided.