120 inches cubed
4*10*3 is 120
        
                    
             
        
        
        
a) Sammie earns
  £320×4% = £12.80
each year.
Joel earns
  £420×3% = £12.60
each year.
Sammie earns the most interest.
b) Joel's interest after 5 years is 
  £12.60×5 = £63
so the total amount of money Joel will have is
  £420 +63 = £483
        
             
        
        
        
Answer: 64
Step-by-step explanation:
 
        
             
        
        
        
$24 because $192divided by $8 is $24
        
                    
             
        
        
        
Answer:
i think it is 15 weeks 
Step-by-step explanation:
hope it helped