Question

It took 3.5 hours for a train to travel the distance between two cities at a velocity of 120 km/hr how many kilometers lie between the two cities

Answer 1

`Given:\\t=3.5h\\v=120 (km)/(h) \\\\Find:\\\\s=?\\\\Solution:\\\\v= (s)/(t) \;\;\;/\cdot t\\\\s=vt\\\\s= 120 (km)/(h)\cdot 3.5h=420km`