Question
A bag contains green and pink marbles in the ratio of 2 : 7. There is a total of 99 marbles in the bag. How many more green marbles must be added into the bag so that the number of green marbles will be the same as the number of pink marbles?
2 m

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A bag contains green and pink marbles in the ratio of 2 : 7. There is a total of 99 marbles in the bag. How many more green marbles must be added into the bag so that the number of green marbles will be the same as the number of pink marbles?