Respuesta :
Answer:
12
Step-by-step explanation:
there are 60 minutes in a hour
60/20 is 3
so you muiltply 4 and 3 to get 12
Answer: 12 kilometer
Step-by-step explanation:
If he run 4 kilometer per 20 mins, it will take him one hour to run 12 kilometer.
Original
4 kilometer. X kilometer
——————- = ————————-
20 mins. 60 min
20x3 = 4x3
4x3= 12 kilometer