Answer:
B. y-x=2y+16
Step-by-step explanation:
yw
 
        
             
        
        
        
To Find :- 
- The algebraic equations to solve the above problem .
Solution :-
Let , 
- Large number = L
- Small number = S 
— According to first statement ,
— According to second statement ,
- 3L + 4S = 54
- 3L + 4S - 54 = 0 .
These equations matches with the second option b .
Option b is the correct answer.
 
        
             
        
        
        
she left her computer open for 48 hours
 
        
             
        
        
        
Here is a saying 5 and above give it a shove (round up) 4 and below go down low (round down). In your case you would leave it the same, because when rounding you would round to the nearest 10th. 
Example:
54 would round down to 50 and 55 would be rounded up to 60.