SOLUTION: A girl moves with the speed of 6km/h for two hours and with the speed 4km/h next three hours find the averge speed of the girl and total move?

Question 1035744: A girl moves with the speed of 6km/h for two hours and with the speed 4km/h next three hours find the averge speed of the girl and total move?
Answer by fractalier(6550) (Show Source): You can put this solution on YOUR website!
Average speed = total distance / total time
Here she goes 12 km and then she goes another 12 km in a total of 5 hours.
Her average speed is 24 km / 5 hr = 4.8 km/hr