To solve the inequality \(-32.5 - 6b \geq 48.5\), we can first isolate the term involving \(b\).
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Add \(32.5\) to both sides:
\[ -6b \geq 48.5 + 32.5 \]
\[ -6b \geq 81 \]
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Next, divide both sides by \(-6\). Remember that when you divide by a negative number, the inequality sign flips:
\[ b \leq \frac{81}{-6} \]
\[ b \leq -13.5 \]
This means that \(b\) can be any value less than or equal to \(-13.5\). Among the options provided, the correct choice is:
- Negative 13.5 (since -13.5 itself is included in the inequality).
So the final answer is −13.5.