Question

A total of 55 birds were sitting on two trees. 9 birds flew away from the first tree and 6 birds flew from the 2nd tree. After that, the number of birds on the two trees becamw the same. How many birds were there on the first tree in the beginning.

Answer 1

Answer :

Let total birds sitting on first tree = x
And
Total birds sitting on second tree = 55- x

As given " total of 55 birds were sitting on two trees. "

And from second condition " 9 birds flew away from the first tree and 6 birds flew from the 2^nd tree. After that, the number of birds on the two trees became the same. " we get

x - 9 = 55- x - 6

x - 9 = 49 - x

2x = 58

x = 29 ,

So,

There were 29 birds sitting on first tree in the beginning . ( Ans )