Answer: It will take 3 days.
Step-by-step explanation:
1 km = 1000m
12 km = 12,000m
10 * 400m = 4000m
12,000m / 1000m = 3
So, It will take 3 Days.
I hope I helped you with this I-Ready. Have a Great day!
Answer:
1 day equals 400 times 10 = 4,000 meters so which = 4 kilometers
1 day = 4,000 m = 4 km
2nd day = 8,000 m = 8 km
3rd day = 12,000 m = 12 km
it will take him 3 days
