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!