Question

A tree grows 5 cm per year. What will be the height of a board fixed 10 cm above the base after 10 years?​

Answer 1

Answer:

he rate of growth of the plant is 0.5 m/yr.

After 5 years, the plant height will be 0.5 X 5= 2.5m + 1.5m = 4m

The board was fixed at 1.5 m,  

after 5 years, the height of the board will be the new height of the board minus the initial height of the plant with the board, that is, 2.5m-1.5m= 1.5m

Hence, the correct answer is '1.5m'

Step-by-step explanation:

Answer 2

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