Try the process a few times with different initial numbers. Why are the results significant? Explain why the process produces this pattern.
- Pick a number.
- Multiply this number by 200.
- Add 836 to the new number.
- Divide the new number by 2.
- If you have already had your birthday this year, add 1581. If you haven't, add 1580.
- Last step: Subtract the four digit year that you were born.
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