Respuesta :
Answer:
80.5Â kilometers/h
Step-by-step explanation:
S=80.5km/h
D644
T8 hours
The average speed of the car during the trip given the gasoline used per kilometer is 80.50 km/h.
What is the average speed?
Average speed is the total distance travelled per time. It is used to determine the total distance per time.
Average speed = total distance / total time
644 / 8 = 80.50 km/h.
To learn more about average speed, please check: https://brainly.com/question/21734785