Question:
A box contains beads of three different colours. 2/5 of them are blue. The ratio of the number of green beads to that of the red beads is 4 : 3. What is the ratio of the number of blue beads to the number of red beads?
Solution:
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A box contains beads of three different colours. 2/5 of them are blue. The ratio of the number of green beads to that of the red beads is 4 : 3. What is the ratio of the number of blue beads to the number of red beads?
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