120 decreased by 15% = 102
120 decreased by 15 percent is 102. Step-by-step solution with the formula and worked example.
120 decreased by 15% = 102
decreased by %
Solution: 120 decreased by 15 percent
Decrease = 15% × 120 = 18
Result = 120 − 18 = 102
Result = 120 − 18 = 102
Step-by-step explanation
- Find the decrease: 15% of 120 = 18.
- Subtract it from the original: 120 − 18 = 102.
- Shortcut: multiply by (1 − 15/100) = ×0.85.
Good to know
Shortcut: decreasing by 15% is the same as multiplying by 0.85 (that is 100% − 15%). So 120 × 0.85 = 102 in one step.
Frequently asked questions
120 decreased by 15 percent
120 decreased by 15% = 102.
How is it calculated?
See the step-by-step solution above — it uses the standard percentage formula.
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