Question
49 of a bag of balls were black. 45 of the remaining balls were green and the rest were brown. If there were 12 more green balls than brown balls, how many balls were there in the bag altogether?
4 m

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49 of a bag of balls were black. 45 of the remaining balls were green and the rest were brown. If there were 12 more green balls than brown balls, how many balls were there in the bag altogether?