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, 2021 Algebra Difficulty 1.0 Junior Find the answer United Kingdom
Andrew calculates that 40% of 50% of x x x is equal to 20% of 30% of y y y , where x ≠ 0 x \neq 0 x = 0 . Which of the following is true?
(A) y = 2 x 3 y = \frac{2x}{3} y = 3 2 x (B) y = 4 x 3 y = \frac{4x}{3} y = 3 4 x (C) y = 2 x y = 2x y = 2 x (D) y = 8 x 3 y = \frac{8x}{3} y = 3 8 x (E) y = 10 x 3 y = \frac{10x}{3} y = 3 10 x
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