Question

Farmer Johnson raises cows and chickens. For some reason he does not remember how many of each

Answer 1

Answer:

Step-by-step explanation:

Let the number of cows = x

Let the number of chickens = y

4x + 2y = 140

x + y = 54

Multiply the second equation by 2

2x + 2y = 108

Now write the new equation under the first equation and subtract.

4x + 2y = 140

2x + 2y = 108      Subtract

2x = 32                Divide by 2

x = 32/2

x = 16

There are 16 cows and 38 chickens.

Check

16 * 4  =   64

38 * 2 =   76

Total      140

Answer 2

There are 38 chickens and 16 cows.
38 times 2 equals 76 and 16 times 4 equals 64. 64 plus 76 equals 140.