Final answer:
To calculate Joe's speed, we use the formula Speed = Distance ÷ Time. Given that Joe drives 16 km in 0.25 hours, his speed is 64 km/h.
Step-by-step explanation:
To calculate Joe's speed, we use the formula:
Speed = Distance ÷ Time
The question states that Joe drives 16 km in 0.25 hours. Therefore, his speed is:
Speed = 16 km ÷ 0.25 hours = 64 km/h
So, Joe's speed is 64 kilometers per hour.