87/62 = 1 and 25/62 (simplest form)
        
             
        
        
        
43x5= 215
215 pupils 
215-200=15 
15 seats
        
                    
             
        
        
        
Answer: 22/21 
Step-by-step explanation:
2 cakes : 7 donuts      →   6 cakes : 21 donuts
3 cakes : 11 brownies  →  6 cakes : 22 brownies
22 brownies : 21 donuts
Now, simply write this as a fraction. 22/21
 
        
                    
             
        
        
        
10,208 is the correct answer