10% Off 80

10% off 80 = 72 (you save 8)

How to calculate 10% off 80

  1. Find the discount: 10% of 80 = 0.1 × 80 = 8.
  2. Subtract it from the price: 80 − 8 = 72.

Or in one step, multiply by the share you pay: 80 × 0.9 = 72.

Stacked discounts do not add up: an extra 10% off the sale price gives 64.8, which is 19% off in total, not 20%.

Frequently asked questions

What is 10% off 80?

The sale price is 72 and you save 8.

How do you calculate a percentage of a number?

Divide the percentage by 100 and multiply by the number: 15% of 80 = 0.15 × 80 = 12.

How do you find what percent one number is of another?

Divide the part by the whole and multiply by 100: 12 is 12 ÷ 80 × 100 = 15% of 80.