SOLUTION: In farmer Jack's field, it takes ten cows twenty days to eat all the grass. If fifteen cows are in the field, the grass will be gone in ten days. When will the grass be gone if the

Question 1050282: In farmer Jack's field, it takes ten cows twenty days to eat all the grass. If fifteen cows are in the field, the grass will be gone in ten days. When will the grass be gone if there are twenty-five cows in the field?
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
In farmer Jack's field, it takes ten cows twenty days to eat all the grass
10*20 = 200 cowdays to eat all the grass
If fifteen cows are in the field, the grass will be gone in ten days.
15*10 = 150 cowdays
This tells us there is not a linear relationship between cows and days
:
When will the grass be gone if there are twenty-five cows in the field?
let d = no. of days to eat all the grass
25d = 200
d = 200/25
d = 8 days
or
25d = 150
d = 150/25
d = 6 days
So let's strike an average and say 25 cows will eat all the grass in 7 days

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