A box contains beads of three different colours - blue, red and green of the beads are blue. The ratio of the number of red beads to the number of green beads is 3 : 4. What is the ratio of the number of blue beads to the number of green beads?
Question
A box contains beads of three different colours - blue, red and green of the beads are blue. The ratio of the number of red beads to the number of green beads is 3 : 4. What is the ratio of the number of blue beads to the number of green beads?
Solution
To solve this problem, we first need to understand the information given:
- 1/2 of the beads are blue.
- The ratio of red to green beads is 3:4.
Since half of the beads are blue, this means the other half must be a combination of red and green beads.
The ratio of red to green beads is 3:4, which means for every 7 beads (3 red + 4 green), 3 are red and 4 are green.
We are asked to find the ratio of blue to green beads.
Since half the beads are blue and the other half are divided into a ratio of 3:4 red to green, we can say that the ratio of blue to red to green is 1:3:4.
Therefore, the ratio of blue to green beads is 1:4.
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