Final answer:
Petzold and Muschick provide information in their opinion pieces to support their stances, inform readers, and provide context on lunch debt.
Step-by-step explanation:
Petzold and Muschick provide information that helps define what lunch debt is in their opinion pieces for several reasons. One reason is to support their stances on lunch debt with relevant evidence. By providing information and evidence, they can back up their arguments and make them more persuasive. Another reason is to inform the reader about all sides of the issue so the reader can form an opinion.
Finally, by defining lunch debt, they can provide context to understand the topics being discussed in their pieces.
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