Answer:
20 hours
Explanation:
Given : Distance = 240 km
Speed = 12km/hr
To Find:How long does it take to travel 240 km at a constant speed of 12 km/h?
Solution:
We need to calculate the time taken to travel 240 km at a constant speed of 12 km/h
Formula :



Thus it take 20 hours to to travel 240 km at a constant speed of 12 km/h