a mango tree was planted 2 years ago the rate of its growth is 20% per annum if at present the height of the tree is 162 centimetre what is was when the tree was planted
Anonymous:
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Answered by
4
A=P(1-R/100)^N
=162(1-20/100)²
=162(1-1/5)²
=162(5-1/5)²
=162(4/5)²
=162×4/5×4/5
=103.68cm
wrong
ans is 112.5
Answered by
1
Answer: 112.5cm
Step-by-step explanation:
162 = P(1+1/5)squared
162 = P(6/5)squared
162 = P(36/25)
(162x25)/36 = P
P = 112.5
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