SOLUTION: A pen contains chickens and goat. There are a total of 40 heads and 130 feet. How many chicken and how many goat are in the pen? I have the answer: 25 goat and 15 chicken, how

Question 263824: A pen contains chickens and goat. There are a total of 40 heads and 130 feet. How many chicken and how many goat are in the pen?
I have the answer: 25 goat and 15 chicken, however, I do not know how to set up the equation. Please help
Answer by Greenfinch(383) (Show Source): You can put this solution on YOUR website!
Say the number of goats is G, then the number of chickens is 40 - G as there are 40 heads and each chicken and each goat has one head.
The number of feet is 130
So 2(40 - G) + 4G = 130
So 80 - 2G + 4G = 130
2G = 50
G = 25
25 goats and 15 chickens
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