Yesterday morning, the temperature was -11˚ f. the temperature increased 7˚f by noon and then decreased 4˚f by nightfall. what was the temperature at nightfall last night?

Yesterday morning, the temperature was -11˚ f. the temperature increased 7˚f by noon and then decreased 4˚f by nightfall. what was the temperature at nightfall last night?

asked Feb 24, 2018 26.4k views

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