Farmer bob has pigs and chickens. he has 37 animals, and there are 124 legs among them altogether. how many chickens does bob have? a. 25 b. 4 c. 12 d. –4

For this case we have that the pigs have 4 legs while the hens have 2.

We propose a system of equations:

x: Variable representing the number of pigs

y: Variable representing the number of chickens

We multiply by -4 the first equation:

We add the equations:

So, there are 12 chickens.

There are 25 pigs.

25 pigs

12 chickens

Option C

answer: what do you mean