The correct answer is x=5
 
        
                    
             
        
        
        
Hi there!
To find the percent of change we can use the following formula:

Let's fill in our data

Subtract

Divide 

And finally multiply 

Hence, the percent of change is negative 20%.
~ Hope this helps you!
 
        
             
        
        
        
Answer:
I think the answer is B I guessed it. 
 
        
                    
             
        
        
        
If you say 3.5 times 30 ur answer would be 105