fatma3443
contestada

the distance from sevenoaks to penzance by rail is 420 km. At what average speed must a train travel to over this distance in 4 hours ?

Respuesta :

rosalyzavala29

Answer:

s=105 km/hr

Explanation:

s=speed

d=distance

t=time

s=?

d=420km

t=4hrs

equation: s=d/t

s=420/4

s=105km/hr