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What is the value of $13+15+17$?

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A $35$ B $45$ C $55$ D $39$ E $51$

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Official solution

Evaluating, we get $13+15+17=28+17=45$.

Source: CEMC, University of Waterloo, licensed CC-BY-NC-4.0. Statement reproduced verbatim; metadata (topic, difficulty, ordering) added by this project.