The farmer

The farmer calculated that the supply of fodder for his 20 cows was enough for 60 days. He decided to sell 2 cows and a third of the feed. How long will the feed for the rest of the peasant's herd last?

Correct result:

t =  44.4444 d

Solution:


20•60 -20•60/3 = t•(20-2)

54t = 2400

t = 400/9 ≈ 44.444444

Our simple equation calculator calculates it.



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