First you have to set up your equation. 5x+80 and x+15. 
        
                    
             
        
        
        
 The answer would be: There were 2 chefs and 13 customers.
 
        
             
        
        
        
Answer:
86.7 gallons
Step-by-step explanation:
I literally went decimal by decimal to find it. So theres no way it's wrong
 
        
             
        
        
        
Answer:
M is not parellel to N because they do not create supplementary angles with the lines that it passes through. 
J and K are parallel to each other because they create supplementary angles with line m
supplementary angles add up to 180 and if parallel lines create supplementary angles with the line they cross then they are parallel to each other if that makes sense 
 105+75=180
Step-by-step explanation: