Relax

Respuesta :

80% of 56.99 = 45.59
56.99 - 45.59 = 11.40

11.40 + 5% 
5% of 11.40 = 0.57

0.57 + 11.40 = 11.97

The price of the new winter coat will be $11.97

Hope this is correct and helps you! (:
-Hamilton1757