A farmer looks into the barnyard at his pigs and chickens and he counts 169 heads and 398 feet how many pigs and chickens are their? I need an equation PLEASE

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@PJohnson89 how many legs a chicken has? and a pig?

X = Pigs Y = Chickens Total heads (assume 1 per pig and 1 per chicken) = 169 Total legs (assume 4 per pig and 2 per chicken) = 398 X + Y = 169 heads 4X + 2Y = 398 legs You now have two equations with two unknowns, ready to solve. Y = 169 - X Substitute for Y 4X + 2(169 - X) = 398 4X + 338 - 2X = 398 2X = 60 X = 30 Pigs now if you still didn't understand .. raise questions ;)

@PJohnson89 should i be more clear ?

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