80 km per hour
If a car travels for 20 minutes at a speed of 60 miles per hour the car travels 20 miles.
Average Speed!!
90 kilometres per hour.
69
90 mi
It travels 288 miles in 4 hours 30 minutes at that speed.
20 Miles.
90 miles
80 miles/hour
About 28 minutes to travel 35km at that rate.
The car's average speed is 56 miles per hour.
Just divide the distance by the speed.