Maths Olympiad Prep

Library / /28 of 475

, 2003

Algebra Difficulty 1.0 Junior Find the answer Canada

If xx and yy are positive integers and x+y=5x + y = 5, then a possible value for 2xy2x - y is

(A) 33 (B) 3-3 (C) 22 (D) 2-2 (E) 00

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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.