Respuesta :

Answer:

20

Explanation:

Add 10, then another 10.

That makes 20.

Hope it helps!

Answer:

The answer is 20

Explanation:

10+10=20

20=two 10 put together hint/stragedy add the ones in the beggining of the 10 and bring down the 0

brainly for good explination? hope this helps bless you!