Question
A bag contains yellow and brown beads in the ratio of 2 : 5. There is a total of 70 beads in the bag. How many more yellow beads must be added into the bag so that the number of yellow beads will be the same as the number of brown beads?
2 m

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A bag contains yellow and brown beads in the ratio of 2 : 5. There is a total of 70 beads in the bag. How many more yellow beads must be added into the bag so that the number of yellow beads will be the same as the number of brown beads?