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48 decreased by 15% = 40.8

48 decreased by 15 percent is 40.8. Step-by-step solution with the formula and worked example.

48 decreased by 15% = 40.8
decreased by %

Solution: 48 decreased by 15 percent

Decrease = 15% × 48 = 7.2
Result = 48 − 7.2 = 40.8

Step-by-step explanation

  1. Find the decrease: 15% of 48 = 7.2.
  2. Subtract it from the original: 48 − 7.2 = 40.8.
  3. Shortcut: multiply by (1 − 15/100) = ×0.85.

Good to know

Shortcut: decreasing by 15% is the same as multiplying by 0.85 (that is 100% − 15%). So 48 × 0.85 = 40.8 in one step.

Frequently asked questions

48 decreased by 15 percent
48 decreased by 15% = 40.8.

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

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