Use the formula d=rt to find the average speed of a car if the car traveled 320 miles in 8 hours.

A. 48miles per hour

B. 60miles per hour

C. 40miles per hour

D. 35miles per hour

Distance = rate times time, so rate = distance divided by time. 320 miles = distance and 8 hours = time, so the rate of speed is 320/80, which is forty miles per hour. the answer you're looking for is c!

c ...