Question
A bag contains red and gold beads in the ratio of 2 : 7. There is a total of 72 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 gold beads?
2 m

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A bag contains red and gold beads in the ratio of 2 : 7. There is a total of 72 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 gold beads?