12 decreased by 10% = 10.8
12 decreased by 10 percent is 10.8. Step-by-step solution with the formula and worked example.
12 decreased by 10% = 10.8
decreased by %
Solution: 12 decreased by 10 percent
Decrease = 10% × 12 = 1.2
Result = 12 − 1.2 = 10.8
Result = 12 − 1.2 = 10.8
Step-by-step explanation
- Find the decrease: 10% of 12 = 1.2.
- Subtract it from the original: 12 − 1.2 = 10.8.
- Shortcut: multiply by (1 − 10/100) = ×0.9.
Good to know
Shortcut: decreasing by 10% is the same as multiplying by 0.9 (that is 100% − 10%). So 12 × 0.9 = 10.8 in one step.
Frequently asked questions
12 decreased by 10 percent
12 decreased by 10% = 10.8.
How is it calculated?
See the step-by-step solution above — it uses the standard percentage formula.
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