An apple 2

An apple tree was planted two years ago. It increases at the rate of 20% every year .If at present, the height of the tree is 540 cm, what was it when the tree was planted?

Correct answer:

a =  375 cm

Step-by-step explanation:

b=540 cm r=100%+20%=1+10020=1.2 n=2  a rn = b  a=rnb=1.22540=375 cm

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