Maths Olympiad Prep

Library / /9 of 472

, 2004

Algebra Difficulty 1.0 Junior Find the answer Canada

If (12+3)(13+4)=1x+5\left(\dfrac{1}{2+3}\right)\left(\dfrac{1}{3+4}\right)=\dfrac{1}{x+5}, the value of xx is

(A) 44 (B) 77 (C) 3030 (D) 3737 (E) 6767

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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.