Answer:
200 seconds
Explanation:
1 km = 1000m
3 km = 3000m
How long would it take to travel 3 km at a speed of 15 m/s?
The equation to solve this is:
Time = Distance / Rate
D = 3km or 3000m
R = 15 m/s
3000 divided by 15 = 200 seconds
So, it would take 200 seconds to travel 3 km at a speed of 15 m/s