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300 increased by 3% = 309

300 increased by 3 percent is 309. Step-by-step solution with the formula and worked example.

300 increased by 3% = 309
increased by %

Solution: 300 increased by 3 percent

Increase = 3% × 300 = 9
Result = 300 + 9 = 309

Step-by-step explanation

  1. Find the increase: 3% of 300 = 9.
  2. Add it to the original: 300 + 9 = 309.
  3. Shortcut: multiply by (1 + 3/100) = ×1.03.

Good to know

Shortcut: increasing by 3% is the same as multiplying by 1.03 (that is 100% + 3%). So 300 × 1.03 = 309 in a single step — handy for adding tax, interest or a markup.

Frequently asked questions

300 increased by 3 percent
300 increased by 3% = 309.

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

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