Mathematics 20 Online
OpenStudy (anonymous):

During one week in the winter, the temperature dropped an average of two degrees per hour for eight hours. If the temperature was -2°F at the beginning of the eight hours, what was the temperature at the end During one week in the winter, the temperature dropped an average of two degrees per hour for eight hours. If the temperature was -2°F at the beginning of the eight hours, what was the temperature at the end @Mathematics

OpenStudy (saifoo.khan):

-2(8) -16degrees.

OpenStudy (anonymous):

can u help me

OpenStudy (anonymous):

14 degrees Fahrenheit not -16 saifoo.khan you're wrong. Since the temperature went down an average of 2 degrees every hour for 8 hours, it must have gone down by 16 degrees in total in the 8 hours and now the temperature is -2. Therefore, -2 + 16 = 14 So the temperature started off as 14 degrees Fahrenheit 8 hours before, went down by 2 degrees per hour for 8 hours or 16 degrees. To confirm the answer, 14-16 = -2.

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