You want to cover 56 inches, 8*7=56. It will cost $70 to cover the book. 
        
                    
             
        
        
        
Answer: 30%
Step-by-step explanation:
Difference is (2000 - 1400) = 600
%age reduction 600/2000 x 100 = 30%
 
        
             
        
        
        
Answer:
1.5
Step-by-step explanation:
Because if you divide 30 by 20 you get 1.5 to check if it’s correct you multiple 1.5 by 20
 
        
             
        
        
        
How old are you cuase if you under 14 go do your homework