Question
A bag contains green and white balls in the ratio of 2 : 11. There is a total of 78 balls in the bag. How many more green balls must be added into the bag so that the number of green balls will be the same as the number of white balls?
2 m

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A bag contains green and white balls in the ratio of 2 : 11. There is a total of 78 balls in the bag. How many more green balls must be added into the bag so that the number of green balls will be the same as the number of white balls?