[tex]100\%-40\%=60\%\\60\% = \frac{60}{100}=\frac{6}{10}=\frac{3}{5}\\\\[/tex]
Numerator is 3 and denominator is 5. So, we divide the sales price by 3 and we multiply by 5 to get the whole fraction, or 100%.
[tex]\frac{56.78*5}{3} \\\frac{283.9}{3} \\94.6333333333333...[/tex]
Your regular price sounds recurring, so you might have made a mistake copying.
The answer for what you've got is 94.633333...
