Answer:
The coat originally cost $20.
Explanation:
The original cost is of x.
At a sale, coats were sold for $11 each. This price was 55% of a coat's original price.
This meas that:
![0.55x = 11](https://img.qammunity.org/2022/formulas/mathematics/college/8ans66fv0qfmck8dxgui9bxqk8poqrkkm2.png)
How much did a coat originally cost?
This is the solution for x for the equation above. So
![x = (11)/(0.55) = 20](https://img.qammunity.org/2022/formulas/mathematics/college/hvs1aixlo0an0gpjh4o9o1hswomybot326.png)
The coat originally cost $20.