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, 2007

Number theory Difficulty 1.0 Junior Find the answer Canada

The product of three positive integers is 42. The sum of two of these integers is 9. The third integer is

(A) $1$ (B) $7$ (C) $6$ (D) $3$ (E) $2$

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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.