Answer:dude just use a caculator
Step-by-step explanation:the answer is 200
 
        
             
        
        
        
Answer:
the answer is 2.78 percent 
 
        
             
        
        
        
Well, it goes 5 inches per second so after 4 seconds it is 4 times 5 =20 inches under the surface,  add that to 5 feet and you get 6 ft and 8 inches