A tree increases in diameter each year by an average of 0.51cm. If the tree currently has a diameter of 4 inches, how old do you estimate the tree is?

Question

Mathematics

Damien Copeland

7 December, 13:48

A tree increases in diameter each year by an average of 0.51cm. If the tree currently has a diameter of 4 inches, how old do you estimate the tree is?

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Gillian Todd · Answer 1

There are 2.54 cm in 1 inch. Since we are estimating, we can round the average growth per year to. 5 cm which would give you roughly 5 years per inch of diameter (2.5 /.5 = 5). Since we have a tree with a 4 inch diameter, we can estimate the age of the tree is ...

4 inches x 5 years/inch = 20 years old.