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Algebra Difficulty 1.3 Junior Find the answer Canada

If $x=4$ and $y=2$ , which of the following expressions gives the smallest value?

Pick one

Solution

The positive divisors of 20 are: $1,2,4,5,10,$ and 20.
Therefore, the number 20 has exactly 6 positive divisors.

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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.