Sale Price of a $99 item after a 10% Discount is applied

10% Converted to a Decimal: 10% = 0.1
Price After Discount = Price Before Discount * (1 – Discount)
Price After Discount = 99 * (1 – 0.1)
Price After Discount = 99 * 0.9
Price After Discount = $89.10
Sale Price of a $99 item after a 10% Discount is applied = $89.10
Note: Reduction in Price After Discount = $9.90

The solution above and other related solutions were provided by the Sale Price After Discount Application