Question

Each year a tree grows 5 cm less than it did the preceding year. If it give by 1 m in the first year in how many year, in how many years will it have ceased growing?
(plz help....i need the answer step by step...if its not sure please add it incomment box)

Answer 1

given
length of tree = 1m = 100 cm
every year it decreases with a length of 5 cm
years ceased growing of tree = 100cm/5cm
no of years = 20 years