When the price of the book is decreased by 15%, the total price decrease is 15/100*$400=$<<15/100*400=60>>60

The new price of the book becomes $400-$60 = $<<400-60=340>>340

The price of the book is then increased by 40/100*340 = $<<40/100*340=136>>136

The final price of the book is $340+$136 = $<<340+136=476>>476

# Answer

476
Question:
The price of a book was $400. If the book's price is decreased by 15% and then increased by 40%, what is the final price of the book?
Answer:
Let's think step by step.

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476
The price of a book was $400. If the book's price is decreased by 15% and then increased by 40%, what is the final price of the book?
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