9 and 1/2 is a mixed number
        
                    
             
        
        
        
Answer:
!!! 
Step-by-step explanation:
 
        
             
        
        
        
Answer:
Step-by-step explanation:
At the first place is better because
$0.8 * 5 = $ 4
$4.5 / 5 = $0.9
Is more expensive in the another place
 
        
             
        
        
        
Answer:
7 foot 
Step-by-step explanation:
 
        
             
        
        
        
1:3, Because you can simplify the numbers by dividing by two.