1. The Bugatti goes 750 miles every 3 hours ( 750/3 ) and the unit rate is 250/1 or 1/250
2. The Lamborghini goes 880 miles every 4 hours ( 880/4 ) and the unit rate is 220/1
3. The Ferrari goes 990 miles for every 5 hours ( 990/5 ) and the unit rate is 198/1
4. The Bugatti is the car with the fastest speed with a unit rate of 250 miles per hour
