Question

Each year a tree grows 5 cm less than it did the preceding year. If it grew by 1 m in the last year, it eased growing. Find that, in which year does it stop its growing ? Find also its final height

Answer 1

last year it grows=1m
1m=100cm
after
1 year 95cm
2 year 90cm
.
.
.
20 year 0cm
it stops growing
0 is final height
comment if any problem

Answer 2

according to question,we have:
last year it grew by 1 m

this implies ,it will grow by (100-5)cm=95cm.
likewise it will grow 90m the next year.......
and it will continue growing till it come to an end when it grows 0 m,i.e about 20 years.
after 20 years it will stop growing.
I can't determine it's final height.

Hope it helps you..