Question

A man has some hens and cows. If the
number of heads is 48 and the number of
feet is 140, then what is the number of
hens?​

Answer 1

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Answer 2

answer :

Let the number of hens be x and the number of cows be y.

Then, x + y = 48 . . . . . (i)

and

2x + 4y = 140

⇒ x + 2y = 70 . . . . . (ii)

Solving (i) and (ii) we get:

x = 26, y = 22

∴ The required answer = 26