Question

temperature at 12 noon was 10degree Celsius above zero. If it decreases at the rate of 2degree Celsius per hour until midnight at what time would the temperature be 6 degree Celsius below zero​

Answer 1

Answer:

8 pm

Step-by-step explanation:

12 noon = 10 degree celsius

1 pm       = 8 degree celsius

2 pm      = 6 degree celsius

3 pm       = 4 degree celsius

4 pm       = 2 degree celsius

5 pm       = 0 degree celsius

6 pm       = -2 degree celsius

7 pm        = -4 degree celsius

8 pm        = -6 degree celsius

OR

10 degree celsius - (-6)degree celsius

10 + 6 = 16

16/2 =8

therefore the answer is 8 pm

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