the clearance price of a book is $9. The original price of the book was $25. By what percentage was the price of the book decreased?

=64 %

Step-by-step explanation:

The percentage decrease is found by

Percent decrease = (original - new) / original * 100 percent

The original price is 25

The new price is 9

Percent decrease = (25-9) / 25 * 100%

=16/25 * 100%

=64 %