Answer:
its either 12.5 or 32
Step-by-step explanation:
 
        
             
        
        
        
Answer:31/40
Step-by-step explanation: 
To add you have to have a common denominator. To get that you can multiply each fraction by one in different ways. 2/5 *8/8= 16/40 and 3/8* 5/5= 15/40 and then add those two to give you 31/40.
 
        
                    
             
        
        
        
I believe there is 100 girls or something close to that.
        
             
        
        
        
The answer is in the picture