Question
27 of a packet of balls were green. 45 of the remaining balls were white and the rest were silver. If there were 12 more white balls than silver balls, how many balls were there in the packet altogether?
4 m

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27 of a packet of balls were green. 45 of the remaining balls were white and the rest were silver. If there were 12 more white balls than silver balls, how many balls were there in the packet altogether?