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navik [9.2K]
3 years ago
12

#2. A field of grass feeds 36 cows for 4 days. How many days would the same field feed 20 cows?

Mathematics
1 answer:
Oksi-84 [34.3K]3 years ago
6 0

162 cow-days

Since the initial grass and the grass accumulated over 4 days is equal to 144 cow-days, the initial grass is equal to (144 − 36) or 108 cow-days. Now, to find the answer to the question: in 18 days, the grass accumulation is equal to 18 ∗ 9 or 162 cow-days.

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