What was the average speed in km/h of a car that travels 400.0 km in 4.5 h?
88 mph
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To find the average speed of a car, you need to divide the total distance traveled by the total time taken.
In this case, the car traveled 400.0 km in 4.5 h. To calculate the average speed in km/h, simply divide the distance by the time:
Average speed = Total distance / Total time
Average speed = 400.0 km / 4.5 h
To get the answer, divide 400.0 by 4.5 using a calculator or by hand:
Average speed = 88.9 km/h
Therefore, the average speed of the car was 88.9 km/h.