Question
A bag contains white and grey balls in the ratio of 3 : 11. There is a total of 112 balls in the bag. How many more white balls must be added into the bag so that the number of white balls will be the same as the number of grey balls?
2 m

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A bag contains white and grey balls in the ratio of 3 : 11. There is a total of 112 balls in the bag. How many more white balls must be added into the bag so that the number of white balls will be the same as the number of grey balls?