Respuesta :
Answer:
15%
Step-by-step explanation:
[tex]\frac{76.50}{90}=\frac{x}{100}[/tex] Set up a proportion.
[tex]90x=7,650[/tex] Cross-multiply.
[tex]x=85[/tex] Divide both sides by 90.
[tex]100-85=15[/tex] The discounted price is 85% of the regular price so the
discount is 15%.