Double Discount Calculator
Apply two successive discounts to a price.
Apply two discounts one after another (they don't simply add).
The math behind it
final = price × (1 − d1/100) × (1 − d2/100). 20% then 10% = 28% off, not 30%.
Worked example
$100, 20% then 10% → $72 (28% off).
FAQ
Why not 30%?
The second discount applies to the already-reduced price.