Question

On my grandfather's farm there are a group of cats and ducks, my cousin told me that he counted 110 legs, I counted 76 eyes, how many cats and how many ducks are there?

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Frederik

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64 Answers

Un gato tiene 4 patas y un pato tiene 2 patas.
4c + 2d = 110
2c + d = 55 ....(1)
cada uno tiene 2 ojos
2c + 2d = 76
c + d = 38 ....(2)
De ambas ecuaciones,
gatos = 17
patos = 21

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