Question

6 коров за 3 дня съедают траву на участке 0.2 га, 8 коров за 4 дня съедают траву на участке 0.3 га, Сколько дней смогут пастись 12 коров на участке площадью 0.6 га (1)Прирост травы на участке пропорционален его площади и времени 2)Аппетит у всех коров одинаков)

Answer 1

Решается пропорцией отталкиваясь от прироста коров пропорционально времени.

Answer 2

Calculation of Grazing Days for 12 Cows on a 0.6 Hectare Plot

To calculate the number of days that 12 cows can graze on a plot of land with an area of 0.6 hectares, we can use the information provided about the grazing rates of 6 cows and 8 cows on smaller plots.

According to the information given, 6 cows can consume the grass on a 0.2-hectare plot in 3 days, and 8 cows can consume the grass on a 0.3-hectare plot in 4 days.

We can assume that the growth of grass on the plot is proportional to its area and time. Additionally, we are told that all the cows have the same appetite.

To find the grazing days for 12 cows on a 0.6-hectare plot, we can set up a proportion:

`(number of cows) / (number of days) = (area of plot) / (number of days)`

Let's calculate the grazing days:

For 6 cows on a 0.2-hectare plot: `(6 cows) / (3 days) = (0.2 hectares) / (3 days)`

For 8 cows on a 0.3-hectare plot: `(8 cows) / (4 days) = (0.3 hectares) / (4 days)`

Now, we can use these proportions to find the grazing days for 12 cows on a 0.6-hectare plot:

`(12 cows) / (x days) = (0.6 hectares) / (x days)`

To solve for x, we can cross-multiply and solve the equation:

`(12 cows) * (x days) = (0.6 hectares) * (x days)`

Simplifying the equation:

`12x = 0.6x`

Dividing both sides by x:

`12 = 0.6`

Therefore, the equation is not solvable as it leads to an inconsistent result. It seems there may be an error in the given information or calculations.

Please double-check the provided information to ensure accuracy.