Algebra Q # 16

398% of A is equal to 4% of B, then 20% of A is

Option : A
Explanation : (8/100) x A = (4/100) x B ⇒ (2/100)A = (1/100)B ⇒ (20/100)A = (10/100)B ⇒ 20% of A = 10% of B

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