A $15 item is 30% off. What is the sale price?
The sale price is $10.5. You save $4.5.
How to work it out
- 1
The original price is $15 and the discount is 30%.
- 2
Method 1: find the discount, then subtract it.
- 3
Method 2: you pay 70% of the price, so multiply by 0.7:
- 4
Answer: the sale price is $10.5 and you save $4.5.
LaTeX source of the formulas on this page
\[ 15 \times 0.7 = 10.5 \]
\[ 30\% \text{ of } 15 = 0.3 \times 15 = 4.5\qquad 15 - 4.5 = 10.5 \]$15 at other discounts
| Discount | Sale price |
|---|---|
| 5% off | $14.25 |
| 10% off | $13.5 |
| 15% off | $12.75 |
| 20% off | $12 |
| 25% off | $11.25 |
| 40% off | $9 |
| 50% off | $7.5 |
Questions
What is 30% off $15?
The sale price is $10.5. You save $4.5.
How do I find the sale price quickly?
Multiply the price by 0.7 (that is 100% − 30%).