Maths Olympiad Prep

Library / /230 of 472

, 1999

Algebra Difficulty 2.0 Junior Find the answer Canada

If px+2y=7px + 2y = 7 and 3x+qy=53x + qy = 5 represent the same straight line, then pp equals

(A) 55 (B) 77 (C) 2121 (D) 215\frac{21}{5} (E) 107\frac{10}{7}

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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.