A cork oak is stripped for the first time in the year 2000. The law requires at least nine years between strippings. What is the earliest year of the third stripping?

Answer and explanation

Correct answer: D. 2018

  1. Step 1: The first stripping is in 2000; the second can come at the earliest nine years later, in 2009. Step 2. The third comes nine years after that, in 2018. Answer: 2018. Why not the others: 2009 is the second stripping, 2027 would be the fourth, and 2020 uses the wrong interval.

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