Cody and Ashley are helping their dad fertilize the lawn. They have  3 1/3 pounds of fertilizer and 3 buckets. Each bucket will get the same amount of fertilizer. Cody measures 1 pound of fertilizer into each bucket.  The following equation represents this situation, where x represents the additional amount of fertilizer each bucket will get.    3 (x+1) = 3 1/3 
How much more fertilizer should each bucket get?   
A.  1/9 of a pound   
B. 2/3 of a pound   
C. 2/9 of a pound   
D.  1/3 of a pound