A farm raises total of 220 chickens and pigs. The number of legs of the stock in the farm totals 520. How many chickens and pigs are at the farm?


Carolyn Englar, I work at Noodle

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You can start by breaking down the problem, that chickens have two legs and pigs have four legs. It is probably best to create a simply algebraic equation and solve for X! This video might also be helpful - if you start at minute 1:00, he will start going through the equation: https://www.noodle.com/learn/details/75864/mathcounts-mini-19-turning-word-problems-into-algebra-equations

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