A $10 item is 10% off. What is the sale price?
The sale price is $9. You save $1.
How to work it out
- 1
The original price is $10 and the discount is 10%.
- 2
Method 1: find the discount, then subtract it.
- 3
Method 2: you pay 90% of the price, so multiply by 0.9:
- 4
Answer: the sale price is $9 and you save $1.
LaTeX source of the formulas on this page
\[ 10 \times 0.9 = 9 \]
\[ 10\% \text{ of } 10 = 0.1 \times 10 = 1\qquad 10 - 1 = 9 \]$10 at other discounts
| Discount | Sale price |
|---|---|
| 5% off | $9.5 |
| 15% off | $8.5 |
| 20% off | $8 |
| 25% off | $7.5 |
| 30% off | $7 |
| 40% off | $6 |
| 50% off | $5 |
Questions
What is 10% off $10?
The sale price is $9. You save $1.
How do I find the sale price quickly?
Multiply the price by 0.9 (that is 100% − 10%).