Problem. Grandmother's Court.

Grandma has 14 ducks, 4 chickens, 2 geese, 9 sheep and 4 cats in the yard. How many feet do the animals have in total?

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Exemple !

The grandmother has 10 ducks, 7 chickens, 5 geese, 4 sheep and 2 cats in the yard. How many feet do the animals have in total?

We know that ducks, chickens and geese have 2 legs and sheep and cats have 4 feet.

We multiply the number of animals by the number of feet.

10 × 2 + 7 × 2 + 2 × 4 =

20 + 14 + 8 = 42

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