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15 increased by 8% = 16.2

15 increased by 8 percent is 16.2. Step-by-step solution with the formula and worked example.

15 increased by 8% = 16.2
increased by %

Solution: 15 increased by 8 percent

Increase = 8% × 15 = 1.2
Result = 15 + 1.2 = 16.2

Step-by-step explanation

  1. Find the increase: 8% of 15 = 1.2.
  2. Add it to the original: 15 + 1.2 = 16.2.
  3. Shortcut: multiply by (1 + 8/100) = ×1.08.

Good to know

Shortcut: increasing by 8% is the same as multiplying by 1.08 (that is 100% + 8%). So 15 × 1.08 = 16.2 in a single step — handy for adding tax, interest or a markup.

Frequently asked questions

15 increased by 8 percent
15 increased by 8% = 16.2.

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

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