Question
A bag contains gold and grey beads in the ratio of 2 : 7. There is a total of 99 beads in the bag. How many more gold beads must be added into the bag so that the number of gold beads will be the same as the number of grey beads?
2 m

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A bag contains gold and grey beads in the ratio of 2 : 7. There is a total of 99 beads in the bag. How many more gold beads must be added into the bag so that the number of gold beads will be the same as the number of grey beads?