Question
A bag contains gold and pink balls in the ratio of 2 : 5. There is a total of 133 balls in the bag. How many more gold balls must be added into the bag so that the number of gold balls will be the same as the number of pink balls?
2 m

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A bag contains gold and pink balls in the ratio of 2 : 5. There is a total of 133 balls in the bag. How many more gold balls must be added into the bag so that the number of gold balls will be the same as the number of pink balls?