Hi there!
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I believe your answer is:
Around 13 cents.
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Here’s why:
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[tex]\rightarrow \frac{dollars}{ounces}= \frac{6.19}{48}=\frac{6.19/48}{48/48}=0.128958... \approx \$0.13[/tex]
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Hope this helps you. I apologize if it’s incorrect.