Answer:
20.14 km in 1 hour.
Explanation:
Given that,
A motorbike can travel 60 2/5km in 3 hours.
We need to find how far can it travel in 1 hour at the same speed.
3 hour = 60 2/5km
or
3 hour = 302/5 km

So, he travels 20.14 km in 1 hour at the same speed.