A $155 item is 10% off. What is the sale price?
The sale price is $139.5. You save $15.5.
How to work it out
- 1
The original price is $155 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 $139.5 and you save $15.5.
LaTeX source of the formulas on this page
\[ 155 \times 0.9 = 139.5 \]
\[ 10\% \text{ of } 155 = 0.1 \times 155 = 15.5\qquad 155 - 15.5 = 139.5 \]$155 at other discounts
| Discount | Sale price |
|---|---|
| 5% off | $147.25 |
| 15% off | $131.75 |
| 20% off | $124 |
| 25% off | $116.25 |
| 30% off | $108.5 |
| 40% off | $93 |
| 50% off | $77.5 |
Questions
What is 10% off $155?
The sale price is $139.5. You save $15.5.
How do I find the sale price quickly?
Multiply the price by 0.9 (that is 100% − 10%).