Question

The temperature at 10am
was 12°c above zero. If
it decreases at the rate
of 3°C her hour untill
midnight,
at what time would the
temperature be 15°c below
zero? what would be the
temperature at mid-night​

Answer 1

Step-by-step explanation:

the temperature is 12°C

Midnight means 1 o clock

12°C at 10

at 1

10 o clock = 12° C

11 o clock = 12-3=9°C

12 o clock = 9-3=6°C

1 o clock = 6-3=3°C

2 =0°C

3=-3°C

4=-6°C

5=-9°C

6=-12°C

7=-15°C

At 7 o clock it will be 15°C below zero