Answer:
1 hour 42 minutes
Step-by-step explanation:
Time Taken = Distance ÷ Speed
[note: the units should be same]
Here given:
distance = 30.6 km ≈ 30600 meter
speed = 5 m/s
Time taken:
Distance ÷ Speed
= 30600 ÷ 5
= 6120 seconds ≈ 102 minutes ≈ 1 hour 42 minutes