SOLUTION: harshi.talesara@gmail.com 10 bulls can plough 13 hectares of farmland in 7 days. How many bulls are required to plough 115 hectares in 35 days?

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Question 1048649: harshi.talesara@gmail.com
10 bulls can plough 13 hectares of farmland in 7 days. How many bulls are required to plough 115 hectares in 35 days?
Answer by ikleyn(52776) About Me  (Show Source):
You can put this solution on YOUR website!
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10 bulls can plough 13 hectares of farmland in 7 days. How many bulls are required to plough 115 hectares in 35 days?
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According to the condition,


13%2F%2810%2A7%29 = 115%2F%28x%2A35%29.


Both sides of this equation (proportion) represent the "rate-of-work" of one bull per one day.


Find x from the proportion.


x = %2810%2A7%2A115%29%2F%2813%2A35%29 = 17.7 bulls (approximately).

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