The temperature in Alaska dropped –50.16°C in 5.7 hours. How much did the temperature drop per hour?
Answer
A
5.7°C
B
8.8°C
C
–5.7°C
D
–8.8°C
Explanation
Divide the temperature change by the time: −50.16°C ÷ 5.7 hours = −8.8°C per hour. The negative sign means the temperature was decreasing, so the correct choice is −8.8°C.
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