You are correct.  Since B got the ball with clean hands, they have the choice of declining A's penalty in order to avoid the double foul.  It would be 1/10 with the penalty being enforced from the basic spot of the block in the back.
		 
		
		
		
		
		
		
			
				__________________ 
				Joel 
 
Football is like life, it requires perseverance, self-denial, hard work, sacrifice, dedication and respect for authority.  
--Vince Lombardi
			 
		
		
		
		
		
	
	 |