Question

The holiday has been celebrated every year since it went into effect in 1986. How many years has this holiday been celebrated, including this year?​

Answer 1

37

Explanation:

2022 -1986 +1 = 37

The holiday has been celebrated 37 years.

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The number of years is 1 more than the difference between the first year and the last year. You can get the same result by subtracting 1985 from 2022. That is, you want the count of celebrations after 1985.