SOLUTION: 8 cows eat 7 bags of feed in 9 days how many days will 12 cows take to eat the same 7 bags

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Question 1016666: 8 cows eat 7 bags of feed in 9 days how many days will 12 cows take to eat the same 7 bags
Answer by fractalier(6550) About Me  (Show Source):
You can put this solution on YOUR website!
8 cows eating for 9 days ==> 72 cow-days to eat 7 bags
12 cows eating for x days ==> 12x cow-days to eat 7 bags
Therefore
12x = 72
x = 6 days