The temperature 22

The temperature in a room in the morning is 28°C. It rises by 9°C in the afternoon before dropping by 11°C at night. What is the temperature in the room at the end of the day?

Correct answer:

t =  26 °C

Step-by-step explanation:

t0=28 °C  t=t0+911=28+911=26°C

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