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Average speed is the total distance traveled divided by the elapsed time. A car that travels 60 miles in one hour, stops for one hour and travels 60 miles for another hour, has an average speed of 120 miles / 3 hours, which is 40 mph.
one hour.
It is not possible to compute the average distance from the information given. Average speed, yes; average distance, no.
9/6 hours To walk 9 km at 6 km/hr will take one and one half hours.
Easy - 20 minutes is one-third of an hour, and the bus traveled 30km. Multiply that 30km by three and that gives the total distance it would travel in one hour. Answer is an average speed of 90kmh.