Question
A bag contains white and gold marbles in the ratio of 2 : 5. There is a total of 63 marbles in the bag. How many more white marbles must be added into the bag so that the number of white marbles will be the same as the number of gold marbles?
2 m

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A bag contains white and gold marbles in the ratio of 2 : 5. There is a total of 63 marbles in the bag. How many more white marbles must be added into the bag so that the number of white marbles will be the same as the number of gold marbles?