Final answer:
The man can drive 25.2 kilometers in 20 minutes.
Step-by-step explanation:
The man can walk 3 blocks east and 4 blocks north in 20 minutes. We can calculate the total distance walked by adding the distances of each leg of the journey. One block is equal to 0.3 kilometers, so the man walks 3 blocks * 0.3 km/block = 0.9 km east and 4 blocks * 0.3 km/block = 1.2 km north. Therefore, the total distance walked is 0.9 km + 1.2 km = 2.1 km in 20 minutes.
Given that the man can drive 12 times the distance he can walk in the same amount of time, we can multiply the distance walked by 12 to find the distance he can drive. 2.1 km * 12 = 25.2 km. So, the man can drive 25.2 kilometers in 20 minutes.