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Ayam = a
Kambing = k
a + k = 40
2a + 4k = 112
4a + 4k = 160
2a + 4k = 112 -
2a = 48
a = 24
a + k = 40
24 + k = 40
k = 16
Jadi, ada 24 ekor ayam dan 16 ekor kambing dalam kandang tersebut.