5. A farm has cows and ducks. Between them, these animals have 78 feet

and 27 heads. How many of each animal are there? Show how you know.

Question

Darren

10 February, 19:43

+5

Answers (1)

Know the Answer?

Raiden · Answer 1

1 cow has 4 legs and 1 duck has 2 legs

c = the # of cows

d = the # of ducks

78 feet - > 4c+2d = 78

27 feet - > c+d=27

4c+2d=78/:2

c+d=27/• (-1)

5. A farm has cows and ducks. Between them, these animals have 78 feetand 27 heads. How many of each animal are there? Show how you know.