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If John has exactly 10 coins each of which was minted in 1910 or 1920 or 1930, how many of his coins were minted in 1920

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If John has exactly 10 coins each of which was minted in 1910 or 1920 or 1930, how many of his coins were minted in 1920

by AAPL » Sat Jun 25, 2022 8:15 am

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If John has exactly 10 coins each of which was minted in 1910 or 1920 or 1930, how many of his coins were minted in 1920?

1) Exactly 6 of his coins were minted in 1910 or 1920
2) Exactly 7 of his coins were minted in 1920 or 1930

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