2.75 as a mixed number would be:
 
 
        
        
        
Answer:
$3.20
Step-by-step explanation:
I hope this helps.
Sorry if I'm wrong.
 
        
             
        
        
        
Answer:
x + y ≤ 
3x + 5y ≥ 1100
Step-by-step explanation:
Given:
Seating capacity of theater = 250
Cost of each child ticket = $3
Cost of each adult ticket = $5
Cost per performance = $1100 at least
Find:
System of inequalities
Computation:
Let;
x = Number of children's tickets 
y = Number of adult tickets
So
x + y ≤ 
3x + 5y ≥ 1100