40%
40 percent of 25 is 10
10/25x100 and you will get your answer which is 40
 
        
             
        
        
        
Answer:
Now, each student contributes= Rs 61 1/2= Rs 123/2 ( mixed fraction ). 
Therefore, total no. of students=Rs (1953/2÷123/2) = 15.87
Rounding off 15.87 to 16. 
There were 16 students 
(i hope it is correct answer. pls mark as brainliest)
 
        
                    
             
        
        
        
I believe the answers would be b. and c.
        
             
        
        
        
Answer:
x = 60
Step-by-step explanation:
t = 
15 = k/68 
k=1020
~~~~~~~~~~~
17 = 1020/x
x = 1020/17
x = 60