Answer:
I went out to the hazelwood,
Because a fire was in my head,
And cut and peeled a hazel wand,
And hooked a berry to a thread;
And when white moths were on the wing,
And moth-like stars were flickering out,
I dropped the berry in a stream
And caught a little silver trout.
Head rhymes with thread in line 4. 
Out rhymes with trout in line number 8. 
 
        
                    
             
        
        
        
28 lawns
8 lawns divided by 14hours = 0.5714 lawns per hour
0.5714 lawns per hour times 49hours = 28
        
                    
             
        
        
        
I think it is 7 because it explains it
        
             
        
        
        
 It tells the story of the Battle of Hastings; why William felt he had to invade, the preparations made for the crossing and the battle itself, which are part of the Norman conquest of England during the medieval ages. I hope my answer has come to your help. God bless and have a nice day ahead!