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Beginning at sunrise, the temperature rose 2.8 degrees per hour. How long did it take for the temperature to rise a total of 19.18 degrees? 1. 0.682 h 2. 0.685 h 3. 6.820 h 4. 6.850 h

User Spectre
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sorry its a late answer... but i just took the quiz and the answer is 4. 6.850 per hour.
User Tomek Buszewski
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This will take 6.85 hours. One hour sees a 2.8 degree increase, 19.18 degrees is the end result: (19.18 degrees) / (2.8 degrees per hour) = 6.85 hours.
User JasonTrue
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