# A bookstore recorded a decrease in the sales of paperback books over the past year. From last year to this year the store experienced a 12% decrease in sales This year the store sold 7040 books. How many did it sell last year?

##### 1 Answer

Nov 2, 2016

#### Answer:

Last years sales count was 8000

#### Explanation:

Note that % is like a unit of measurement and it is worth

Let last years book sale count be

Then

Factor out the