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Mathematics, 27.01.2021 03:10 logan541972

Emily spends a winter day recording the temperature once every three hours for science class. At 9 am, the temperature was -4.7°F. Between 9am and noon, the temperature increased by 17.4°F. Between noon and 3pm, the temperature dropped 8.9°F. Between 3pm and 6pm, the temperature decreased by 15.3°F. What was the temperature at 6pm?

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