Question

In Antartica the temperature can change drastically between day and night. At 3:00 pm, the tempature was a chilly 7 degrees Celsius. At that time, it began to drop at steady rate of 6 degrees Celsius every hour . What was the temperature at 7:00 pm?

Answer 1

Answer:

$T = -17\,^{\textdegree}C$

Step-by-step explanation:

The temperature at 7:00 pm is:

$T = 7\,^{\textdegree}C + \left(-6\,\frac{^{\textdegree}C}{h} \right)\cdot (4\,h)$

$T = -17\,^{\textdegree}C$