Question

Is anyone free to help?

Answer 1

Rome : 16 C
Moscow: 20 degrees colder

16-20= -4

Answer 2

-4 C (Negative 4 C)

Explanation:

If its 20 C less in Moscow, then it must be 16-20 = - 4 C in Moscow.

Look up rules on subtracting large numbers from small numbers to understand how I got - 4.