Question

At 7 PM last night the temperature was 10 F at 7 AM the next morning the temperature was negative 2F the temperature changed by a steady amount overnight by how much did it change each hour

Answer 1

Between 7 pm and 7am 12 hours passed. The temperature changed a total of 12 degrees.  12 degrees/ 12 hours gives you the answer of 1 degree F per hour. 

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