plz help me too solve this question
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Let number of chickens and goats be x and y respectively.
x+y=50
x=50-y _______eq 1
Now,
number of legs of chicken=2
number of legs of goats=4
So,
2x+4y=140
from eq 1,
2(50-y)+4y=140
50-y+2y=70
y=20
x=50-y=50-20=30
Therefore, there are 10 more chickens than goats.
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