Question

на птичьем дворе живут 40 уток это на 70 птиц меньше чем кур и на 12 больше чем индеек сколько уток кур и индеек живет на птичьем дворе?

Answer 1

1)40+70=110(к.)- кур живут на птичьем дворе

2)40-12=28(и.) - индеек живут на птичьем дворе

Ответ: 110 кур,28 индеек

Answer 2

Calculation of Ducks, Chickens, and Turkeys on the Farm

To solve this problem, let's assign variables to the number of ducks, chickens, and turkeys on the farm.

Let: - D represent the number of ducks, - C represent the number of chickens, and - T represent the number of turkeys.

According to the given information: - There are 40 ducks on the farm, which is 70 birds less than the number of chickens. So, we can write the equation: D = C - 70.- There are 12 more ducks than turkeys. So, we can write the equation: D = T + 12. To find the number of ducks, chickens, and turkeys on the farm, we need to solve these equations simultaneously.

Solving the Equations

Let's solve the equations using the given information:

1. D = C - 70 2. D = T + 12

To eliminate the variable D, we can equate the right sides of the equations:

C - 70 = T + 12

Now, let's solve for C:

C = T + 12 + 70 C = T + 82

So, the number of chickens (C) is equal to the number of turkeys (T) plus 82.

Finding the Number of Ducks, Chickens, and Turkeys

Now that we have the relationship between the number of chickens and turkeys, we can substitute this value into one of the original equations to find the values of D, C, and T.

Let's substitute C = T + 82 into equation 1:

D = C - 70 D = (T + 82) - 70 D = T + 12

So, the number of ducks (D) is equal to the number of turkeys (T) plus 12.

Now, let's substitute D = T + 12 into equation 1:

T + 12 = T + 82 - 70 12 = 82 - 70 12 = 12

This equation is true, which means that the number of ducks, chickens, and turkeys can be any value that satisfies the given conditions.

Therefore, we cannot determine the exact number of ducks, chickens, and turkeys on the farm based on the given information.

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