One bag contains 6 white balls, 3 red and 4black balls, and a second bag contains 4white balls and 6 black balls. One ball is drawn from the first bag and placed unseen in the second bag. If the second ball drawn is black, what is the probability that a white was drawn from the first bag? Select the correct answer below: A. none of the above B. 180/451 C. 18/141 D. 36/141

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