Question 449985: The car travelled to one place to anohter place 15 KM/hour and retrun to origin place 10 KM/hour, what is the average speed of the car? Answer by ewatrrr(24785) (Show Source):
Hi, Nore below:
The car travelled to one place to another place at 15 KM/hour
and returned to the origin place 10 KM/hour
average speed of the car = total distance/total time:
Let x represent the one-way distance:
