Answer:
5 miles.
Explanation:
First, we need to find how long it takes for Carl to run 1 mile.
To do this, we divide 24 by 3 to get 8.
So, Carl runs 1 mile every 8 minutes.
Next, we divide 40 by 8 to find out how many miles Carl can run in that time.
40/8 = 5, so Carl runs 5 miles in 40 minutes.