Answer:
60% x 25
55 % x 25
10 in english
25 is total and rest will be math
so 25-10 = 15 
15 students failed math
 
        
             
        
        
        
I wanna help you but I don’t understand sorry
        
             
        
        
        
Answer:
2(10+15)= (2x10)+(2x15) 20+30=50
Step-by-step explanation:
 
        
             
        
        
        
Answer:
480,700
Step-by-step explanation:
C(25,7)
25!/(7!*(25-7)!)
15511210043330985984000000/(6402373705728000*5040)
480700