90% off 20 = 2 | Discount Calculator
A 90% discount on 20 is 2, saving 18. See the step-by-step discount calculation.
90% off 20 = 2 (you save 18)
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Solution: What is 90 percent off 20?
Discount = 90% × 20 = 18
Final price = 20 − 18 = 2
Final price = 20 − 18 = 2
Step-by-step explanation
- Find the discount amount: 90% of 20 = 0.9 × 20 = 18.
- Subtract the discount from the original price: 20 − 18 = 2.
- So after a 90% discount you pay 2 and save 18.
Good to know
The quick way to a sale price is to multiply by what you still pay: keeping 10% means × 0.1, so 20 × 0.1 = 2 — the same answer in one step.
Frequently asked questions
What is 90 percent off 20?
90% off 20 = 2 (you save 18).
How is it calculated?
See the step-by-step solution above — it uses the standard percentage formula.
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