30 increased by 5% = 31.5
30 increased by 5 percent is 31.5. Step-by-step solution with the formula and worked example.
30 increased by 5% = 31.5
increased by %
Solution: 30 increased by 5 percent
Increase = 5% × 30 = 1.5
Result = 30 + 1.5 = 31.5
Result = 30 + 1.5 = 31.5
Step-by-step explanation
- Find the increase: 5% of 30 = 1.5.
- Add it to the original: 30 + 1.5 = 31.5.
- Shortcut: multiply by (1 + 5/100) = ×1.05.
Good to know
Shortcut: increasing by 5% is the same as multiplying by 1.05 (that is 100% + 5%). So 30 × 1.05 = 31.5 in a single step — handy for adding tax, interest or a markup.
Frequently asked questions
30 increased by 5 percent
30 increased by 5% = 31.5.
How is it calculated?
See the step-by-step solution above — it uses the standard percentage formula.
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