Solution of task 3.1.9 from the collection of Kepe OE

If the total amount of your purchases from the seller Михаил_Перович more than:
- 200 $ the discount is 15%
- 100 $ the discount is 10%
- 50 $ the discount is 7%
- 20 $ the discount is 5%
- 10 $ the discount is 3%
- 5 $ the discount is 2%
- 1 $ the discount is 1%

Sold 4
Refunds 0
Good feedbacks 0
Bad feedbacks 0

3.1.9
Specify the number of the statically indeterminate design. (Answer 3)