A farm has chickens and cows. All the cows have 4 legs and all the chickens have 2 legs.
All together, there are 82 cow and chicken legs on the farm.
If there are 10 cows, how many chickens are there?

Respuesta :

Answer:

21 chickens

Step-by-step explanation:

10×4=40

82-40=42

42÷2=21