To find Raul's speed in miles per hour, we can use the formula:
Speed = Distance / Time
Raul's distance is 8 miles, and his time is 4/5 hour. Let's calculate his speed:
Speed = 8 miles / (4/5 hour)
To divide by a fraction, we can multiply by its reciprocal:
Speed = 8 miles * (5/4 hour)
Simplifying the expression:
Speed = 40 miles / 4 hour
Speed = 10 miles per hour
So, Raul's speed is 10 miles per hour.