If 20% of A = 30% of B = 1/6 of C, then find A ∶ B ∶ C.

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If 20% of A = 30% of B = 1/6 of C, then find A ∶ B ∶ C.

A12 ∶ 15 ∶ 18

B15 ∶ 10 ∶ 18

C15 ∶ 12 ∶ 18

D18 ∶ 10 ∶ 12

Answer:

B. 15 ∶ 10 ∶ 18

Read Explanation:

20% of A = 30% of B = 1/6 of C ⇒ 20/100 × A = 30/100 × B = 1/6 × C ⇒ A/5 = 3B/10 = C/6 ⇒ A ∶ B ∶ C = 5 ∶ 10/3 ∶ 6 = 15 ∶ 10 ∶ 18 A ∶ B ∶ C is 15 ∶ 10 ∶ 18.

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