Question
A bag contains grey and green marbles in the ratio of 2 : 11. There is a total of 91 marbles in the bag. How many more grey marbles must be added into the bag so that the number of grey marbles will be the same as the number of green marbles?
2 m

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A bag contains grey and green marbles in the ratio of 2 : 11. There is a total of 91 marbles in the bag. How many more grey marbles must be added into the bag so that the number of grey marbles will be the same as the number of green marbles?