Stock prices for Abercrombie and Fitch fell steadily by an average of $0.94 per day from a high of $83.67 per share on December 24, 2007 to $70.05 on January 15, 2008.Let $P_{1}$ be the price of a share of stock on December 24, 2007 and $P_{n}$ be the price of a share on the $n^{\text {th }}$ day after December 24.Write a formula for $P_{n+1}-P_{n}$ and then write a sentence to interpret the meaning of your formula.

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The Answer of Stock prices for Abercrombie and Fitch fell steadily by an average of $0.94 per day from a high of $83.67 per share on December 24, 2007 to $70.05 on January 15, 2008.Let $P_{1}$ be the price of a share of stock on December 24, 2007 and $P_{n}$ be the price of a share on the $n^{\text {th }}$ day after December 24.Write a formula for $P_{n+1}-P_{n}$ and then write a sentence to interpret the meaning of your formula.

Stock Prices for Abercrombie and Fitch Fell Steadily by an Average