Question
A bag contains red and blue beads in the ratio of 2 : 5. There is a total of 77 beads in the bag. How many more red beads must be added into the bag so that the number of red beads will be the same as the number of blue beads?
2 m

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A bag contains red and blue beads in the ratio of 2 : 5. There is a total of 77 beads in the bag. How many more red beads must be added into the bag so that the number of red beads will be the same as the number of blue beads?