2000 AMC 8 竞赛试题/第5题
Problem
Each principal of Lincoln High School serves exactly one 3-year term. What is the maximum number of principals this school could have during an 8-year period?
（A） 2 （B）3 （C）4 （D）5 （E）8
Solution
If the first year of the 8-year period was the final year of a principal's
term, then in the next six years two more principals would serve, and the last
year of the period would be the first year of the fourth principal's term.
Therefore, the maximum number of principals who can serve during an 8-year
period is 4, so the answer is [C] if the terms are divided
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