10% off 100 = 90 | Discount Calculator
A 10% discount on 100 is 90, saving 10. See the step-by-step discount calculation.
10% off 100 = 90 (you save 10)
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Solution: What is 10 percent off 100?
Discount = 10% × 100 = 10
Final price = 100 − 10 = 90
Final price = 100 − 10 = 90
Step-by-step explanation
- Find the discount amount: 10% of 100 = 0.1 × 100 = 10.
- Subtract the discount from the original price: 100 − 10 = 90.
- So after a 10% discount you pay 90 and save 10.
Good to know
The quick way to a sale price is to multiply by what you still pay: keeping 90% means × 0.9, so 100 × 0.9 = 90 — the same answer in one step.
Frequently asked questions
What is 10 percent off 100?
10% off 100 = 90 (you save 10).
How is it calculated?
See the step-by-step solution above — it uses the standard percentage formula.
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