Maths Olympiad Prep

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Algebra Difficulty 1.0 Junior Find the answer United Kingdom

Andrew calculates that 40% of 50% of xx is equal to 20% of 30% of yy, where x0x \neq 0. Which of the following is true?

(A) y=2x3y = \frac{2x}{3} (B) y=4x3y = \frac{4x}{3} (C) y=2xy = 2x (D) y=8x3y = \frac{8x}{3} (E) y=10x3y = \frac{10x}{3}

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