40% off 30 = 18 | Discount Calculator
A 40% discount on 30 is 18, saving 12. See the step-by-step discount calculation.
40% off 30 = 18 (you save 12)
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Solution: What is 40 percent off 30?
Discount = 40% × 30 = 12
Final price = 30 − 12 = 18
Final price = 30 − 12 = 18
Step-by-step explanation
- Find the discount amount: 40% of 30 = 0.4 × 30 = 12.
- Subtract the discount from the original price: 30 − 12 = 18.
- So after a 40% discount you pay 18 and save 12.
Good to know
The quick way to a sale price is to multiply by what you still pay: keeping 60% means × 0.6, so 30 × 0.6 = 18 — the same answer in one step.
Frequently asked questions
What is 40 percent off 30?
40% off 30 = 18 (you save 12).
How is it calculated?
See the step-by-step solution above — it uses the standard percentage formula.
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