Domain: The set of possible values of x 
Range: The set of possible values of y
Zeros: The x-intercepts (what value of x is on the x-axis)
Discontinuities: Where the graph stops (and restarts somewhere else)
Asymptotes: The graph cannot cross this line (vertical, horizontal, oblique)
 
        
             
        
        
        
He would keep 3/8 for himself. Hope it helps! :)
        
                    
             
        
        
        
Answer:
dont really understand your question but 20 months is 
608.334 days and 86.9049 months