CEMC Pascal, 2006

Algebra Difficulty 1.0 Junior Find the answer Canada

Ravindra and Hongshu made a pizza together. Ravindra ate $\dfrac{2}{5}$ of the pizza. Hongshu ate half as much as Ravindra. What percentage of the original pizza was left?

(A) $20$ (B) $30$ (C) $40$ (D) $50$ (E) $60$

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