5 because this is equivalent to 9-4 which is 5 meters, this is because he is going up 9 and then goes down 4, do 9-4, which is 5
        
             
        
        
        
D = V • t    ...    displacement = velocity • time 
d = [(s – 4) ⁄ (s² – 9s + 20)] • [(s – 5) ⁄ 4]    ...    rearrange terms 
d = (s – 4) • (s – 5)   ⁄   [4(s² – 9s + 20)]    ...    factor denominator 
d = (s – 4) • (s – 5)   ⁄   [4(s – 4) • (s – 5)] 
d = ¼ mile
        
             
        
        
        
Step-by-step explanation:
you can use division method