You would need to add 360L of the 20% ethanol solution. 
        
             
        
        
        
Abigail collected more, she collected 87.5 lb
they collected 107.5 pounds together
        
                    
             
        
        
        
Answer:
both on the left
Step-by-step explanation:
 
        
                    
             
        
        
        
30 for the first and 83.5 for the second
        
             
        
        
        
' n '    the 'n'th term
1               4
2               2  
3               0
4              -2 .
In general, the 'n'th term of the sequence is   A(n) = 6 - 2n  .