$580
The formula to calculate the price yesterday is expressed as:
[tex]Price\text{ yesterday}=\frac{Sale\text{ price}}{1-\%discount}[/tex]Given the following parameters
Sale price = $203
Percent discount = 65% = 0.65
Substitute
[tex]\begin{gathered} Price\text{ }yesterday=\frac{203}{1-0.65} \\ Price\text{ }yesterday=\frac{203}{0.35} \\ Price\text{ }yesterday=\$580 \end{gathered}[/tex]Hence the price yesterday was $580
