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, 2010

Algebra Difficulty 1.0 Junior Find the answer Canada

If $\dfrac{1}{9} + \dfrac{1}{18} = \dfrac{1}{\square}$ , then the number that replaces the $\square$ to make the equation true is

(A) $2$ (B) $3$ (C) $6$ (D) $9$ (E) $18$

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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.