Question 10
An air temperature fell 10° in the night but has risen twice in the day and became the same. Find the night temperature of the air.
Original choices: A) 50; B) 40; C) 30; D) 20.
Editorial input note: enter the night temperature as a number, without the degree symbol. The printed choices may contain an error.
Original choices: A) 50; B) 40; C) 30; D) 20.
Editorial input note: enter the night temperature as a number, without the degree symbol. The printed choices may contain an error.