0.4444444444444
is the answer for your question it repeats so your gonna want to put a bar notation.
        
             
        
        
        
0.04x10^5
move decimal 5 TIMES TO THE RIGHT.
0.04000
   12345
4000
I hope this helps;)
        
             
        
        
        
A=lxw so 640in that is your answer
        
             
        
        
        
A) x=2; i’m guessing if you meant by 4x+1=x+7