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A thermometer at 70 degrees is taken outside where the temperature is 30 degrees. After .5...

A thermometer at 70 degrees is taken outside where the temperature is 30 degrees. After .5 minutes the thermometer reads 50 degrees. what is the thermometer reading after 1 minute. ( answer is 40 degrees). using the information from this problem how many minutes does it take for the thermometer to read 35 degrees? Round answer to the nearest tenth of a minute.

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