After taking 4 pieces of fruit out of a bag, 12 pieces of fruit remained. How
many pieces of fruit were in the bag to start?
O A. 12-4 = 1
O B. 9-4 = 12
O C. 12+ f= 4
OD. 12 + f = 4
O E. 4 + f = 12
O F. f + 4 = 12

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