Respuesta :

Answer:

6 km

Step-by-step explanation:

40 min = 40/60 h = 4/6 h = 2/3 h

1 h ................. 9 km

2/3 h ..............x km

x = 2/3×9km = 18/3 km = 6 km

Answer: 6km

Explanation:
By using the formula d=v x t
And knowing:
V=9km/h
t= 40 min = 2/3hr
We get an equation:
d= 9 x 2/3 = 6km