She brought 48 pieces. The equation is x/12=4
        
                    
             
        
        
        
Answer:
21/5
Step-by-step explanation:
 
        
             
        
        
        
I’m not completely sure about the answers but i can say this: every month adrienne get 5 new dollars. so if it was at like 2 months and $10 (for example) the next month (month 3) she would have $15