A bookstore owner puts a book on sale, reducing its price by 30%. During the sale, the book sells for $28. What was its original price?$40$35$38$42
Question
A bookstore owner puts a book on sale, reducing its price by 30%. During the sale, the book sells for $28. What was its original price?
35 42
Solution
The original price of the book can be calculated by dividing the sale price by the percentage of the original price that the sale price represents.
In this case, the book is sold for 28 is 70% of the original price, because 100% - 30% = 70%.
So, to find the original price, we can set up the equation:
28 = 0.70 * Original Price
To solve for the Original Price, divide both sides of the equation by 0.70:
Original Price = 28 / 0.70
Original Price = $40
So, the original price of the book was $40.
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