If 4 cows prduce 4 liters of milk in 4 days, how many days does it take for 8 cows to produce 8 liters of milk?
A
1
B
2
C
4
D
8
Correct Answer: 4
1 cow ability 1 / 4 lit/day8 cow ability per day = 14×8=2 litso, 8 cow need for 8 lit of milk =82=4 days