Answer:
Idk what u mean by fraction but 80% of 15 is 12
Step-by-step explanation:
 
        
             
        
        
        
Answer: 
Step-by-step explanation:
u need to multiply.
 
        
             
        
        
        
60,000,000
Hope this helps :)
        
                    
             
        
        
        
Add the three strips of cut wood together:


John will need to cut a total of 50.05cm of wood.
Subtract this total from the strip John has:

The leftover piece will be 21.95cm long.