How many values of $r$ are there such that $\lfloor r \rfloor + r = 15.5?$
Question:
How many values of $r$ are there such that $\lfloor r \rfloor + r = 15.5?$
Answer:
Let's think step by step.

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How many values of $r$ are there such that $\lfloor r \rfloor + r = 15.5?$
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