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Step-by-step explanation:
Answer:Lets take the total number of birds= X
Therefore, Birds are at the riverbank =x/4
Birds are in the nest =x/5
Remaining birds wandering for food=22
According to the question,
=> x/4+x/5+22 =X
=>9x/20+22=X
=>9x+440=20x
=>11x =440
=>x =40
Total number of birds =40
Therefore birds in the nest =x/5
=40/5
=8
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