Answer:
54 MINUTES. 
Step-by-step explanation:
3:14 - 2:20 = 54 MINUTES!! 
 
        
                    
             
        
        
        
Answer:
See below 
Step-by-step explanation:
z  = uncle's age
1/2z +3   = Sam's age 
 
        
             
        
        
        
Y = 10
-4 * 10 = 40
Hope this helps!!!:):):)
        
             
        
        
        
Answer:
$5
Step-by-step explanation:
10% = 10/100 = 1/10.
1/10 of 50 = 5