20 decreased by 85% = 3
20 decreased by 85 percent is 3. Step-by-step solution with the formula and worked example.
20 decreased by 85% = 3
decreased by %
Solution: 20 decreased by 85 percent
Decrease = 85% × 20 = 17
Result = 20 − 17 = 3
Result = 20 − 17 = 3
Step-by-step explanation
- Find the decrease: 85% of 20 = 17.
- Subtract it from the original: 20 − 17 = 3.
- Shortcut: multiply by (1 − 85/100) = ×0.15.
Good to know
Shortcut: decreasing by 85% is the same as multiplying by 0.15 (that is 100% − 85%). So 20 × 0.15 = 3 in one step.
Frequently asked questions
20 decreased by 85 percent
20 decreased by 85% = 3.
How is it calculated?
See the step-by-step solution above — it uses the standard percentage formula.
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