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Mathematics, 19.11.2020 22:10 supremetylor29

Sanya noticed that the temperature was falling at a steady rate of 1.4 degrees every hour after the time that she first checked her outdoor thermometer. By 6 a. m., the temperature had fallen 21 degrees. Which expression can you use
to find how many hours earlier she had first checked the thermometer?

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Answers: 2

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