12 decreased by 20% = 9.6
12 decreased by 20 percent is 9.6. Step-by-step solution with the formula and worked example.
12 decreased by 20% = 9.6
decreased by %
Solution: 12 decreased by 20 percent
Decrease = 20% × 12 = 2.4
Result = 12 − 2.4 = 9.6
Result = 12 − 2.4 = 9.6
Step-by-step explanation
- Find the decrease: 20% of 12 = 2.4.
- Subtract it from the original: 12 − 2.4 = 9.6.
- Shortcut: multiply by (1 − 20/100) = ×0.8.
Good to know
Shortcut: decreasing by 20% is the same as multiplying by 0.8 (that is 100% − 20%). So 12 × 0.8 = 9.6 in one step.
Frequently asked questions
12 decreased by 20 percent
12 decreased by 20% = 9.6.
How is it calculated?
See the step-by-step solution above — it uses the standard percentage formula.
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