Mathematics · Ratio and Proportion
If A ∶ B = 5 ∶ 7 and B ∶ C = 6 ∶ 11, then what is A ∶ B ∶ C?
- 130 ∶ 35 ∶ 77
- 235 ∶ 49 ∶ 42
- 330 ∶ 42 ∶ 77✓
- 455 ∶ 77 ∶ 66
Correct answer
30 ∶ 42 ∶ 77
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