120 decreased by 30% = 84
120 decreased by 30 percent is 84. Step-by-step solution with the formula and worked example.
120 decreased by 30% = 84
decreased by %
Solution: 120 decreased by 30 percent
Decrease = 30% × 120 = 36
Result = 120 − 36 = 84
Result = 120 − 36 = 84
Step-by-step explanation
- Find the decrease: 30% of 120 = 36.
- Subtract it from the original: 120 − 36 = 84.
- Shortcut: multiply by (1 − 30/100) = ×0.7.
Good to know
Shortcut: decreasing by 30% is the same as multiplying by 0.7 (that is 100% − 30%). So 120 × 0.7 = 84 in one step.
Frequently asked questions
120 decreased by 30 percent
120 decreased by 30% = 84.
How is it calculated?
See the step-by-step solution above — it uses the standard percentage formula.
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