英语智力题a hare and a tortoise are racing.They
a hare and a tortoise are racing.They should cover a distance of 2,000m.the tortoise walks at a speed of 25 m per minute,while the hare can run at a speed of 325 m per minute.But the hare thinks he runs much faster than the tortoise,and he has a sleep during the way to the end.As a result,when the tortoise arrives the hare may have 400 m to go.Question:How many minutes does hare sleep?