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When Does It Increase?

Algebra Level 2

$\large \sum_{r=1}^{34} \left \lfloor \frac{18r}{35} \right \rfloor =\, ?$

Notation: $\lfloor \cdot \rfloor$ denotes the floor function.

195 196 256 289

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Excel in math and science

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by Shivam Jadhav

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