Tony had a large number of 1p, 5p, 10p and 20p coins in a bag. He removed some of the coins. The mean value of the coins he removed was 13p. He noticed that a 1p piece in his group of removed coins was damaged so he threw it away. The mean value of the rest of his removed coins was then 14p. How many 10p coins did he remove from the bag?
A. 0
B. 1
C. 2
D. 3
E. 4
A. 0

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