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7 November, 10:49

The temperture in the rink must stay below 50 degrees Fahrenheit ... This morning the temperature was 71 degrees Fahrenheit. The ice rink runs a cooling device, that can decrease the temperature by 3.5 degrees every hour. How many hours will it take for the temperature to fall below 50 degrees?

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  1. 7 November, 14:31
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    it will take 6 hours to fall to 50 degrees, but it will take 7 hours to fall below 50 degrees.

    Step-by-step explanation:

    take 71 on your calculator and just subtract 3.5 until you get to 50 or below.
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