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Step-by-step explanation:
The solution is attached herewith.
Answer is B I did it on one of my quiz
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The error with this inequality is that they had used a > (greater than) symbol instead of ≤ (less than or equal to) symbol. With this verbal sentence, "is at most 15" implies that while the quotient <em>can</em> be 15, it cannot be greater than that.
The correct inequality is: t ÷ 4.2 ≤ 15.