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Algebra Difficulty 1.2 Junior Find the answer Canada

Starting at 72, Aryana counts down by 11s: $72, 61, 50, \dots$ . What is the last
number greater than 0 that Aryana will count?

Pick one

Solution

The faces shown are labelled with $1,3$ and 5 dots. Therefore, the other
three faces are labelled with $2,4$
and 6 dots. The total number of dots on the other three faces is $2+4+6=12$ .

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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.