I ordered the servant to go out from the office.

A person goes to his office at 1/3rd of the speed at which he returns from his office. If the average speed during the whole trip (i.e., one round) is 12 km/h. What is the speed of the person while he was going to his office?

A person goes to his office at 1/3rd of the speed at which he returns from his office if the average speed during the whole trip(i.e, one round)is 12 km/h.What is the speed of the person while he was going to his office?