Answer:
18.25 
Step-by-step explanation:
......ur welcome.............
 
        
             
        
        
        
Answer:
 2yrs
Step-by-step explanation:
Given parameters: 
Amount of interest earned  = $40
Principal  = $400
Interest rate  = 5% 
Unknown: 
Time taken for the money to be in bank = ? 
Solution: 
    The formula for interest is given as:
          I =  
   
     Where I is the interest
               P is the principal
                R is the rate 
                T is the time 
     So;
     100I  = PRT
        T  =  =
   =  = 2yrs
  = 2yrs
 
        
             
        
        
        
Answer:
68%
Step-by-step explanation:
  
 = 68% = 68%
I hope this helps!