A $20 item is 15% off. What is the sale price?
The sale price is $17. You save $3.
How to work it out
- 1
The original price is $20 and the discount is 15%.
- 2
Method 1: find the discount, then subtract it.
- 3
Method 2: you pay 85% of the price, so multiply by 0.85:
- 4
Answer: the sale price is $17 and you save $3.
LaTeX source of the formulas on this page
\[ 20 \times 0.85 = 17 \]
\[ 15\% \text{ of } 20 = 0.15 \times 20 = 3\qquad 20 - 3 = 17 \]$20 at other discounts
| Discount | Sale price |
|---|---|
| 5% off | $19 |
| 10% off | $18 |
| 20% off | $16 |
| 25% off | $15 |
| 30% off | $14 |
| 40% off | $12 |
| 50% off | $10 |
Questions
What is 15% off $20?
The sale price is $17. You save $3.
How do I find the sale price quickly?
Multiply the price by 0.85 (that is 100% − 15%).