3. Di dalam kandang terdapat kambing dan ayam sebanyak 13ekor. Jika jumlah kaki-kaki hewan tersebut sebanyak 32 buah, maka jumlah kambing dan ayam tersebut adalah..
wpn
Ada 3 ekor kambing dan 10 ekor ayam ket : kambing = 4 kaki ayam = 2 kaki
1 kambing + 1 ayam = 4 kaki + 2 kaki = 8 kaki 2 kambing + 2 ayam = 8 kaki + 4 kaki = 12 kak 3 kambing + 3 ayam = 12 kaki + 6 kaki = 18 kaki 4 kambing + 4 ayam = 16 kaki + 8 kaki = 24 kaki 5 kambing + 5 ayam = 20 kaki + 10 kaki = 30 kaki 5 kambing + 6 ayam = 20 kaki + 12 kaki = 32 kaki 4 kambing + 8 ayam = 16 kaki + 16 kaki = 32 kaki 3 kambing + 10 ayam = 12 kaki + 20 kaki = 32 kaki
ket :
kambing = 4 kaki
ayam = 2 kaki
1 kambing + 1 ayam = 4 kaki + 2 kaki = 8 kaki
2 kambing + 2 ayam = 8 kaki + 4 kaki = 12 kak
3 kambing + 3 ayam = 12 kaki + 6 kaki = 18 kaki
4 kambing + 4 ayam = 16 kaki + 8 kaki = 24 kaki
5 kambing + 5 ayam = 20 kaki + 10 kaki = 30 kaki
5 kambing + 6 ayam = 20 kaki + 12 kaki = 32 kaki
4 kambing + 8 ayam = 16 kaki + 16 kaki = 32 kaki
3 kambing + 10 ayam = 12 kaki + 20 kaki = 32 kaki