Question

A farmer raises cows and chickens. The farmer has a total of 25 animals. One day he counts the legs of all of his animals and counts a total of 64 legs.

Let x = number of cows.
Let y = number of chickens.

Which system of equations can be used to solve for the number of cows and the number of chickens on the farm?

Answer 1

X = x4

And

Y = x2

Because of the fact the cows have 4 legs and chickens have 2

Answer 2

4x + 2y = 25

x + y = 64