Question

3.5 коровы за 3.5 минуты съедают 3.5 кг травы сколько кг травы съест 21 корова за 21 минуту

Answer 1

Ответ:

Пошаговое объяснение:

За 1 минуту 1 корова съедает 1 кг травы... Получается , 21 корова за 21 минуту съест 21 кг травы

Answer 2

Problem Analysis

We are given that 3.5 cows can eat 3.5 kg of grass in 3.5 minutes. We need to find out how much grass 21 cows can eat in 21 minutes.

Solution

To find out how much grass 21 cows can eat in 21 minutes, we can use the concept of proportionality. Since the number of cows and the time are both multiplied by 6, we can assume that the amount of grass eaten will also be multiplied by 6.

Let's calculate the amount of grass eaten by 21