Mathematics · Ratio and Proportion

If 3A = 7B = 21C, then what is the value of A : B : C?

Verified Solution4 OptionsUpdated: October 2026👁️1 View

15 : 3 : 2
23 : 2 : 1
37 : 3 : 1✓
47 : 2 : 5

Correct answer

7 : 3 : 1

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If 3A = 7B = 21C, then what is the value of A : B : C?

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