90% off 80 = 8 | Discount Calculator
A 90% discount on 80 is 8, saving 72. See the step-by-step discount calculation.
90% off 80 = 8 (you save 72)
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Solution: What is 90 percent off 80?
Discount = 90% × 80 = 72
Final price = 80 − 72 = 8
Final price = 80 − 72 = 8
Step-by-step explanation
- Find the discount amount: 90% of 80 = 0.9 × 80 = 72.
- Subtract the discount from the original price: 80 − 72 = 8.
- So after a 90% discount you pay 8 and save 72.
Good to know
The quick way to a sale price is to multiply by what you still pay: keeping 10% means × 0.1, so 80 × 0.1 = 8 — the same answer in one step.
Frequently asked questions
What is 90 percent off 80?
90% off 80 = 8 (you save 72).
How is it calculated?
See the step-by-step solution above — it uses the standard percentage formula.
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