Question
A bag contains yellow and black marbles in the ratio of 3 : 5. There is a total of 104 marbles in the bag. How many more yellow marbles must be added into the bag so that the number of yellow marbles will be the same as the number of black marbles?
2 m

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A bag contains yellow and black marbles in the ratio of 3 : 5. There is a total of 104 marbles in the bag. How many more yellow marbles must be added into the bag so that the number of yellow marbles will be the same as the number of black marbles?