Question

В огороде были курицы утки и зайчата. Куриц было больше в 2 раза чем уток, а зайчат половина от числа куриц. Найти сколько было куриц, уток и зайчат если в огороде было всего 150 лап.

Answer 1

30-куриц,15-уток,15-зайчат.

Answer 2

Problem Analysis

We are given that there were chickens, ducks, and rabbits in a garden. The number of chickens was twice the number of ducks, and the number of rabbits was half the number of chickens. We need to find the number of chickens, ducks, and rabbits if there were a total of 150 legs in the garden.

Solution

Let's assume the number of ducks is x. According to the given information, the number of chickens is twice the number of ducks, so the number of chickens is 2x. The number of rabbits is half the number of chickens, so the number of rabbits is (1/2)(2x) = x.

Now, let's calculate the total number of legs in the garden. Each chicken has 2 legs, each duck has 2 legs, and each rabbit has 4 legs. So, the total number of legs can be calculated as follows:

Total number of legs = (number of chickens * 2) + (number of ducks * 2) + (number of rabbits * 4)

Since we know that the total number of legs is 150, we can write the equation as:

2(2x) + 2x + 4x = 150

Simplifying the equation:

4x + 2x + 4x = 150

10x = 150

x = 150 / 10

x = 15

Now that we have the value of x, we can calculate the number of chickens, ducks, and rabbits:

Number of chickens = 2x = 2 * 15 = 30 Number of ducks = x = 15 Number of rabbits = x = 15

Therefore, there were 30 chickens, 15 ducks, and 15 rabbits in the garden.

Answer: There were 30 chickens, 15 ducks, and 15 rabbits in the garden.