Laps

On which of the hare's laps will she first pass the tortoise?

Problem



The hare and the tortoise start running together around a 300m track.

The hare runs at a constant speed of 15 km/h and the tortoise runs at a constant speed of 13.8 km/h.

On which of the hare's laps will she first pass the tortoise?

This problem is adapted from the World Mathematics Championships