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30 increased by 20% = 36

30 increased by 20 percent is 36. Step-by-step solution with the formula and worked example.

30 increased by 20% = 36
increased by %

Solution: 30 increased by 20 percent

Increase = 20% × 30 = 6
Result = 30 + 6 = 36

Step-by-step explanation

  1. Find the increase: 20% of 30 = 6.
  2. Add it to the original: 30 + 6 = 36.
  3. 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 30 × 1.2 = 36 in a single step — handy for adding tax, interest or a markup.

Frequently asked questions

30 increased by 20 percent
30 increased by 20% = 36.

How is it calculated?
See the step-by-step solution above — it uses the standard percentage formula.

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