Answer: 210
percent * base = amount
.6 * base = 126
base = 126/.6
x = 210
Step-by-step explanation:
 
        
             
        
        
        
100x+50= your answer 
For example if 3 cavities are filled you would have to multiply 100(3)+50=350
I hope this helps!
        
             
        
        
        
Answer:
freeeeeeeee ahhh
Step-by-step explanation:
:)