Question

На ферме было 420 коров и свиней, при чем коров в 3 раза больше, чем свиней. Сколько коров и сколько свиней было на ферме?

Answer 1

3x=коровы
x=свиньи
а общее 420
а сумма 3х+х=420
4х=420
х=105свиньи
4х=315коров

Answer 2

Calculating the Number of Cows and Pigs on the Farm

To calculate the number of cows and pigs on the farm, we can use a system of equations based on the given information.

Let's denote: - C as the number of cows - P as the number of pigs

Given: - There were 420 cows and pigs in total: C + P = 420 - The number of cows was 3 times the number of pigs: C = 3P

We can solve this system of equations to find the values of C and P.

Solution:

Using the equation C = 3P, we can substitute this value into the equation C + P = 420: - 3P + P = 420 - 4P = 420 - P = 105

Now that we have the value of P, we can find the value of C using the equation C = 3P: - C = 3 * 105 - C = 315

Conclusion:

So, there were 315 cows and 105 pigs on the farm.