Question

Which rate of speed is higher. A car completing a 500-mi race in 3 1/3 hours or a car completing a 300-hours in about 2 1/2 hours

Answer 1

500/3.3 = 151.5 miles per hour
300/2.5 = 120 miles/hour

Answer 2

I assume you mean a 300 mile race.

500/3.33 = 150.15 mph

300/2.5 = 120 mph