300 increased by 15% = 345
300 increased by 15 percent is 345. Step-by-step solution with the formula and worked example.
300 increased by 15% = 345
increased by %
Solution: 300 increased by 15 percent
Increase = 15% × 300 = 45
Result = 300 + 45 = 345
Result = 300 + 45 = 345
Step-by-step explanation
- Find the increase: 15% of 300 = 45.
- Add it to the original: 300 + 45 = 345.
- Shortcut: multiply by (1 + 15/100) = ×1.15.
Good to know
Shortcut: increasing by 15% is the same as multiplying by 1.15 (that is 100% + 15%). So 300 × 1.15 = 345 in a single step — handy for adding tax, interest or a markup.
Frequently asked questions
300 increased by 15 percent
300 increased by 15% = 345.
How is it calculated?
See the step-by-step solution above — it uses the standard percentage formula.
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