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The resale value of a text book decreases by 25% with each previous owner. A new textbook is sold for $85. Which function represents the resale value of the textbook after x hours

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I assume you meant to say x sales, so I will give this a go:

It starts off at $85 dollars, and with each sale the value multiples by 3/4.

So the answer is [tex]85\cdot({3\over4})^{x}[/tex].

Answer:

the answer is 85\cdot({3\over4})^{x}.

Step-by-step explanation:

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