a person runs an average of 7 meters a second to cover a distance of 1200 meters. How long will it take him or her?
velocity=distance/time=>time=distance/velocity
$$t=\frac {d}v=\frac {1200}{7}=171.428571428571428571428571...$$
So it will take approximately 171.43 s.
velocity=distance/time=>time=distance/velocity
$$t=\frac {d}v=\frac {1200}{7}=171.428571428571428571428571...$$
So it will take approximately 171.43 s.