HEs going to have 14 dollars left 
2x3=6
20-6=14
        
             
        
        
        
-x/4-6>-8
Multiply both sides by 4
-x-24>-32
Move the constant to the right
-x>-32+24
-x>-8
Change the signs
x<8
        
             
        
        
        
Answer:I cant see the diagram
Step-by-step explanation:
 
        
                    
             
        
        
        
100% - 7% - 30% = 63% of people are on the sand
        
                    
             
        
        
        
I'm pretty sure the answer is 12.