20 decreased by 8% = 18.4
20 decreased by 8 percent is 18.4. Step-by-step solution with the formula and worked example.
20 decreased by 8% = 18.4
decreased by %
Solution: 20 decreased by 8 percent
Decrease = 8% × 20 = 1.6
Result = 20 − 1.6 = 18.4
Result = 20 − 1.6 = 18.4
Step-by-step explanation
- Find the decrease: 8% of 20 = 1.6.
- Subtract it from the original: 20 − 1.6 = 18.4.
- Shortcut: multiply by (1 − 8/100) = ×0.92.
Good to know
Shortcut: decreasing by 8% is the same as multiplying by 0.92 (that is 100% − 8%). So 20 × 0.92 = 18.4 in one step.
Frequently asked questions
20 decreased by 8 percent
20 decreased by 8% = 18.4.
How is it calculated?
See the step-by-step solution above — it uses the standard percentage formula.
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