Question

From midnight to 7:00 am, the temperature dropped 1.1°C each hour. If the

temperature at 7:00 am was -8.7°C, what was the temperature at midnight?

Answer 1

The answer is -1 because 1.1 times 7= 7.7 which adds to -8.7, giving you -1

Answer 2

It was -1°C.

Explanation:

This is because there are 7 hours from 12 a.m. to 7 a.m. and if the temperature dropped 1.1°C each hour:

than 1.1 x 7 - 7.7.

-8.7 + 7.7 = -1

-1°C