Answer:
A
Step-by-step explanation:
Answer is the first choice. you can tell by the notation.
 
        
                    
             
        
        
        
If that was the end and the question was "How many boxes did she sell?" then the answer is 6 boxes.
        
                    
             
        
        
        
Answer:
idk sounds like a good question
Step-by-step explanation: