Answer: <3
7 cows and 13 chickens
Step-by-step explanation:
System of Equations:
x = cows
y = chickens
x + y =20 --> y = -x + 20
4x + 2y = 54
substitute:
4x + 2(-x + 20) = 54
4x - 2x + 40 = 54
2x = 14
x = 7 cows
Now we plug in x to get y.
7 + y = 20
y = 13 chickens
