Question
A bag contains pink and white beads in the ratio of 3 : 7. There is a total of 90 beads in the bag. How many more pink beads must be added into the bag so that the number of pink beads will be the same as the number of white beads?
2 m

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A bag contains pink and white beads in the ratio of 3 : 7. There is a total of 90 beads in the bag. How many more pink beads must be added into the bag so that the number of pink beads will be the same as the number of white beads?