Answer:
greater 
Step-by-step explanation: 45 and 40 
 
        
                    
             
        
        
        
<span>Actually, yes there is. Being in the 80th percentile means that you are smart than 80% of the people (i.e. out of 100 people, you would be smarter than 80 of them). However being in the top 80% means that you are a part of the 80 smartest people out that same 100. </span>
        
             
        
        
        
It would be 30 students from his class roster because not every kid would have his math class in the other options.
        
                    
             
        
        
        
You're welcome! This took me forever!