In a 21-meter race between a tortoise and a hare, the tortoise leaves 9 minutes before the

Question:

In a 21-meter race between a tortoise and a hare, the tortoise leaves 9 minutes before the hare. The hare, by running at an average speed of 0.5 meter per hour faster than the tortoise, crosses the finish line 3 minutes before the tortoise. What are the average speeds of the tortoise and the hare?

SART 21 meters