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, 2010

Algebra Difficulty 2.0 Junior Find the answer Canada

If $x$ and $y$ are positive integers with $x + y = 31$ , then the largest possible value of $xy$ is

(A) $240$ (B) $238$ (C) $255$ (D) $248$ (E) $242$

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Source: CEMC, University of Waterloo, licensed CC-BY-NC-4.0. Statement reproduced verbatim; metadata (topic, difficulty) added by this project. Solutions are the publisher's, linked not copied.