Question

the temperature at 12 noon was 10 degree Celsius above zero if it decreases at the rate of 2 degree Celsius per hour until midnight at what time would the temperature be 8 degree Celsius below zero .What would be the temperature at midnight?​

Answer 1

Answer:

at 9 pm

12 pm = +10

1pm = +8

2pm = +6

3pm = +4

4pm = +2

5pm = 0

6pm = -2

7pm = -4

8pm = -6

9pm = -8

10pm = -10

11pm = -12

12 = -14