Two men rent a pasture for 100 lire on the understanding that two cows are to be counted as being equivalent to three sheep. The first puts in 60 cows and 85 sheep; the second 80 cows and 100 sheep. How much should each pay?

*L'Arithmetique*, Jean Trenchant, 1571

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The answer is: the first should pay \(44 \dfrac{24}{79}\) lire, the second \(55 \dfrac{55}{79}\) lire.