Respuesta :

Answer:

240km

Step-by-step explanation:

400km/5hrs = xkm/3hrs

cross multiply to get

1200=5x

divide both sides by 5

240=x

Mibo

Step-by-step explanation:

Simple

Average speed = 400/ 5 = 80km/hr

Distance in 3 hours = 80 x 3 = 240km