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8 years ago
some birds settled on the branches of a tree.first, they sat one to a branch and there was one bird too many.Next, they sat two to a branch and there was one branch too many. How many branches were there?
8 years ago
If the first case is written in equation form then x+1=y. If I assume X are birds and y are branches.
In the 2nd case, y+1=x/2
On solving we get
4 birds and 3 branches.