4 is the proportion because 8 + 4 is 12 then keep adding 12 + 4 = 16 + 4 = 20 So that mean it is proportional I hope that helps.
Answer:
Gallery: g
Balcony: 2g
Main floor: 2g+225
Step-by-step explanation:
Answer: 1. C 2.B 3.C
b=0,b=5
