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* 1. You've bought the physical copy of a book which cost $12. What percent of the value would each of the following be? (Answers should add up to 100%; and 0% is an option).

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* 2. You've bought an ebook, which cost $12. What percent of the value would each of the following be? (Answers should add up to 100%; and 0% is an option).

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* 3. Enter your email address to be entered in our sweepstakes for a chance to win a $12 Amazon gift card. Winner will be chosen at random on Jan. 31, 2014. Must be 18 or older.

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