freezing system starts cooling the room at the rate of 6 degrees per hour if the temperature of the room is 33 degrees at the beginning then how many hours does it take to lower the room temperature to - 3 degrees
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5 hours
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Chilling foods to proper temperatures is one of the best ways to slow the growth of these bacteria. To ensure that your refrigerator is doing its job, it's important to keep its temperature at 40 °F or below; the freezer should be at 0 °F
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