Question

Example 7. A farmer has some hens and some goats. The total number of animals is 30 and the sum of their
legs is 84. How many goats does he have?

Answer 1

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As per fact that hens and goats each have one head and 2 legs and 4 legs respectively

let no of hen =x, no of goats =y

x+y=80

2x+4y=200

By solving

x=60,y=20.

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