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Find number abc

If 5cb0b - 2b1ba = 2561a find number abc. Multiple solutions may exist.

Correct answers: 10

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Who sets our nutrition policie...

Who sets our nutrition policies? Is it the feds?

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Mailbox patent

In 1942, L.A. Thatcher of Stamford, CT received a patent this day - by mail. Appropriately, Mr. Thatcher had patented a coin-operated mailbox. When money was inserted, a meter stamped the envelope.

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