Question
A bag contains white and red beads in the ratio of 2 : 7. There is a total of 135 beads in the bag. How many more white beads must be added into the bag so that the number of white beads will be the same as the number of red beads?
2 m

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A bag contains white and red beads in the ratio of 2 : 7. There is a total of 135 beads in the bag. How many more white beads must be added into the bag so that the number of white beads will be the same as the number of red beads?