20 decreased by 30% = 14
20 decreased by 30 percent is 14. Step-by-step solution with the formula and worked example.
20 decreased by 30% = 14
decreased by %
Solution: 20 decreased by 30 percent
Decrease = 30% × 20 = 6
Result = 20 − 6 = 14
Result = 20 − 6 = 14
Step-by-step explanation
- Find the decrease: 30% of 20 = 6.
- Subtract it from the original: 20 − 6 = 14.
- Shortcut: multiply by (1 − 30/100) = ×0.7.
Good to know
Shortcut: decreasing by 30% is the same as multiplying by 0.7 (that is 100% − 30%). So 20 × 0.7 = 14 in one step.
Frequently asked questions
20 decreased by 30 percent
20 decreased by 30% = 14.
How is it calculated?
See the step-by-step solution above — it uses the standard percentage formula.
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