Ducks and pigs are friends...

Algebra Level 1

While I was driving through the countryside, I saw a farmer tending his ducks and pigs in his yard. I was curious to know how many of each he had. I stopped the car and then inquired the farmer.

He replied: "The animals have altogether 60 eyes and 86 feet between them."

How many number of ducks and pigs the farmer had?

21

ducks and

9

pigs

9

ducks and

21

pigs

17

ducks and

13

pigs

13

ducks and

17

pigs None of These