Answer :

Salutations!

The temperature changed from 5°C at 6 p.m. to -2°C at midnight. How much did the temperature decrease?

Lets solve this!

To find out how much the temperature is decreased, you need to subtract 5°°C from -2° C. from . 

Lets form this into statements ---

Temperature at 6 PM = 5°C

Temperature at midnight = -2°C.

Temperature decreased = 5°C - 2°C = 3° C.

3°C is the temperature decreased. 

Hope I helped (:

Have a great day!
musiclover10045

from 5 to 0 is a 5 degree change

then from 0 to -2 is a 2 degree change

5+2 = 7 degree change overall

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