Question

apple tree growth20%in one years planted two years ago at present it is
540cm what is the height when it is planted?

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Answer 1

Answer:

Let initial height = h

After 1 year, height = {(100+20)/100}×h = 1.2h

After 2 years, height = {(100+20)/100}×1.2h = 1.44h

1.44h = 540 cm

h = 540/1.44 = 375 cm

Its height was 375cm

hope its help for u

Answer 2

Answer:

432cm

Step-by-step explanation:

at present, height is 540cm = 100%

two years ago, the height was 20% lesser i.e, 80%

so, 80% -- >540*80/100 = 432 cm

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