The answer is f(x) = (x/4) - 3
4/4=1-3=-2
        
                    
             
        
        
        
Answer: 16
Step-by-step explanation: 80x20=1600
Put the decimal place where it belongs
80% of 20=16
Hope this helps!
 
        
             
        
        
        
The answer is in the attachment!!!
 
        
                    
             
        
        
        
He increased by 29% because you just add up the percentage