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Part of 2022 Polish Junior Math Olympiad First Round

Problems(1)

2022 Polish Junior Math Olympiad First Round P1

Source:

5/21/2023
There are 1717 students in Marek's class, and all of them took a test. Marek's score was 1717 points higher than the arithmetic mean of the scores of the other students. By how many points is Marek's score higher than the arithmetic mean of the scores of the entire class? Justify your answer.
trivial