9.1 *rounded tot he nearest 10th place*
        
             
        
        
        
C) 2 students
Explanation
Take Monday’s amount and subtract Friday’s 
3-1=2
        
             
        
        
        
Hey there!


 when x = 3 and y = 9
 when x = 3 and y = 9
Let's first move to x and y.

Now multiply 5 by x and y(3+9).

Now we have the number 2 left, so we have to multiply 60 by 2.


Hope this helps!

 
        
             
        
        
        
Answer:
= this is that two expression two equal numbers