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r -> 3u x 2 = 6u
b-> 1u x 2 = 2u
b-> 2u
w-> 3u
11u = 440
1u = 440/11 = 40
6u = 40 x 6 = 240
Since the blue beads are present for both comparisons, we should make the ratio the same to compare them directly.
Red : Blue
3 : 1
6 : 2
Blue : White
2 : 3
Red: Blue : White
6 : 2 : 3
6 units + 2 units + 3 units = 440
11 units = 440
1 unit = 440 ÷ 11
= 40
6 units =40 × 6
= 240 red beads