A weather forecast says that the temperature is changing at the rate of -7 degree C per hour. At the rate. how long will it take for the temperature to reach -42 degree C?
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1
Answer:
6 hours
-7 degree C is taking 1 hour so -42 degree C will take 6 hours.
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3
It will take 6 hours since it takes 1 hour for the temperature to decrease -7 degree Celsius.
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