Hello your question lacks some data but a general answer is provided ;
The tree with the largest value when the measured size of its trunk is divided by 2.5 cm is the oldest tree. while the youngest tree has the least
To determine the age of a tree the Girth is measured and divided by the value of 2.5 cm. and this is because the Girth( trunk ) of a tree is estimated to increase by 2.5 cm every year.
Therefore when a couple of trees are lined up the tree with the largest value when the measured size of its trunk is divided by 2.5 cm is considered the oldest tree while the youngest tree has the least value.
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