Answer:
C. 10
Step-by-step explanation:
5+5=10
10+10=20
10+20=30
I’m very sorry but I don’t understand
Step-by-step explanation:
I hope this helps!! Don’t mind the 20 mph at the top. That was from another problem I was helping someone else on.
Answer:
81cm
Step-by-step explanation:
15cm + 20cm + 21cm + 25cm = 81cm