Discount Calculator
Calculate the final price after applying a discount.
Real-World Examples
Calculating a 30% Off Sale
Inputs (The Math)
- Original Price$150
- Discount30%
Outputs (The Result)
- Amount Saved$45
- Final Price$105
Why it works this way
To find the final price quickly in your head, you can multiply the original price by the percentage you are actually paying (70%, or 0.7) instead of calculating the discount first.
- Calculated before sales tax is applied.
Frequently Asked Questions
How do I calculate a 20% discount?
Multiply the original price by 0.20 to find the savings, then subtract it from the original price.
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