Percent Off — Calculation & Practice

$\text{discount price}=\text{original price}\cdot \text{discount}$

$\text{discount price}=\text{original price}\cdot \text{discount}-\text{original price}$

$\text{original price}=\text{discount price}\cdot (1-\text{discount})$

$\text{discount price}=\text{original price}\cdot (1-\text{discount})$