From noon to 4 pm are 4 hours. With cooling rate 4 degrees per hour, in these four hours the temperature dropped for 16 degrees. So the temperature at 4 pm is 2 degrees.
114 degrees
-2 + (-10) = -12
42 degrees.
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40 degree
-9
114 degrees
-10 degrees.
-2 + (-10) = -12
9
um, 17 degrees C
minus 10
If the temperature dropped 2 degrees Fahrenheit every hour for 6 hours, the temperature would change 12 degrees. You multiply 2x6 to get the answer of 12.
Result 4F - 6F = -2F
12 degrees colder
42 degrees.
-17.