Final answer:
The author's purpose was to describe Vitale's invention and explain how it works.
Step-by-step explanation:
The author's purpose for writing this passage was to describe Vitale's invention and explain how it works. The passage provides information about the invention called a pizza saver or pizza table, which is a small, plastic stand that is placed in the middle of a pizza to prevent the box top from caving into the cheese.
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