Question

The temperature of a place at midnight is 11°C. If the temperature drops at the rate of 2°C per hour, after how many hours will the temperature become −5°C?

Answer 1

Answer:

8 hours

The calculations is as follows:

Let no of hours be x. So, According to the question, the equation becomes:

$11 - 2(x) = ( - 5)$

$11 + 5 = 2x$

$16 = 2x$

$16 \div 2 = x$

$x = 8$

Hence, the answer is 8 hours. Hope this helps! please mark this as brainliest.