Question
A bag contains grey and purple balls in the ratio of 3 : 5. There is a total of 144 balls in the bag. How many more grey balls must be added into the bag so that the number of grey balls will be the same as the number of purple balls?
2 m

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A bag contains grey and purple balls in the ratio of 3 : 5. There is a total of 144 balls in the bag. How many more grey balls must be added into the bag so that the number of grey balls will be the same as the number of purple balls?