Answer:
46.5 cm
Step-by-step explanation:
63 ÷ 2= 31.5 + 15 = 46.5
 
        
             
        
        
        
The answer would be 4 divided by 2/3 = 6 tiles
 
        
                    
             
        
        
        
As a practical equation, this one doesn't make much sense -- why would the profit per person have a term proportional to the number of people?  Let's just go with it.



That's the answer to the first part.
35/x represents a portion of the profit that's 35/x per person, or a constant $35 per tour.
 
        
             
        
        
        
Can u put a picture of the question with this so I can answer it.