Multiple choice

The temperature at which both the celsius and fahrenheit scales give the same reading is ________.

  1. 00C

  2. -320C

  3. �400C

  4. -1400C
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Setting -40°C = -40°F in the conversion formula F = (9/5)C + 32 gives -40 = (9/5)(-40) + 32 = -72 + 32 = -40, which is true. This is the only temperature where both scales give identical readings.

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