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Mathematics, 17.07.2020 19:01 jjpeanut30

21. The amount of caffeine in Jan's body goes down by twenty-eight percent every hour. How long, to the nearest hour, until Jan's body has only 28 percent of the caffeine that
was in her original cup?

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21. The amount of caffeine in Jan's body goes down by twenty-eight percent every hour. How long, to...
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