Respuesta :

Answer:

v=D/t

v=4/0.75

v=5.3km/h

v=d/t

lets convert km to m to make it easier
4*1000= 4000m
0.75 hours is 45 minutes

distance is now 4000m
and time is 45 minutes
divide them
4000/45 = 88.88888888889
but we say 88.89 because its recurring
i hope it helped <3