100 increased by 20% = 120
100 increased by 20 percent is 120. Step-by-step solution with the formula and worked example.
100 increased by 20% = 120
increased by %
Solution: 100 increased by 20 percent
Increase = 20% × 100 = 20
Result = 100 + 20 = 120
Result = 100 + 20 = 120
Step-by-step explanation
- Find the increase: 20% of 100 = 20.
- Add it to the original: 100 + 20 = 120.
- Shortcut: multiply by (1 + 20/100) = ×1.2.
Good to know
Shortcut: increasing by 20% is the same as multiplying by 1.2 (that is 100% + 20%). So 100 × 1.2 = 120 in a single step — handy for adding tax, interest or a markup.
Frequently asked questions
100 increased by 20 percent
100 increased by 20% = 120.
How is it calculated?
See the step-by-step solution above — it uses the standard percentage formula.
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