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8litres of paint can cover 129.6 m². how much paint is required to paint an area of 243m²?

Hundred and tens tables to make 430 in five different ways

Two farmers pay a total rent of $140 for a pasture. the first farmer placed $4 oxen in the pasture, and the second farmer placed $30 sheep in the pasture. the farmers split the rent based on the proportion of the pasture eaten by their own animals that month. how much should the first farmer pay, if 1 ox eats as much as 10 sheep in a month?