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Age 14 to 16 Short Challenge Level:

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
You can find more short problems, arranged by curriculum topic, in our short problems collection.