Answer:
16
Step-by-step explanation:
Number of Markers =

Answer:
The first one is 12
second one is 1
third one is 23
last one 5
Step-by-step explanation:
I don't think you can because the variables are different. You can only add the same variables.
Answer: 1300
Step-by-step explanation:
13*10 = 130*10=1300