Question
A bag contains silver and white balls in the ratio of 2 : 5. There is a total of 126 balls in the bag. How many more silver balls must be added into the bag so that the number of silver balls will be the same as the number of white balls?
2 m

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A bag contains silver and white balls in the ratio of 2 : 5. There is a total of 126 balls in the bag. How many more silver balls must be added into the bag so that the number of silver balls will be the same as the number of white balls?