Mathematics · Ratio and Proportion
If 21a = 22b and 27b = 21c, find a ∶ b ∶ c.
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 122 ∶ 27 ∶ 21
- 227 ∶ 21 ∶ 22
- 321 ∶ 22 ∶ 27
- 422 ∶ 21 ∶ 27✓
Correct answer
22 ∶ 21 ∶ 27
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