Answer:
1.8
Step-by-step explanation:
11.3 - 9.5 = 1.8
Hope that helps!
(2 + a) = (a + 2) it's commutative property
(a + 2) - 7 = a + (2 - 7) it's associative property
2 - 7 = -5 it's subtraction
Answer: distributive property { a(b + c) = ab + ac }
It was $12.8 per guests
all u got to do is divide
+ 
from 30.5, which equals 
