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11 August, 09:09

The temperature at 2 P. M. was 30°F. By

11 P. M. it had changed to "20°F. What

was the change in temperature?

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Answers (1)
  1. 11 August, 10:59
    0
    The change in temperature was negative (-) 10 degrees.

    Step-by-step explanation:

    Since the temperature was 30 degrees and lowered to 20 degrees, the change was - 10 degrees.

    You could solve this by taking the second temperature (in this case, 20) and subtracting 30 from it.

    20 - 30 = - 10
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