24 decreased by 15% = 20.4
24 decreased by 15 percent is 20.4. Step-by-step solution with the formula and worked example.
24 decreased by 15% = 20.4
decreased by %
Solution: 24 decreased by 15 percent
Decrease = 15% × 24 = 3.6
Result = 24 − 3.6 = 20.4
Result = 24 − 3.6 = 20.4
Step-by-step explanation
- Find the decrease: 15% of 24 = 3.6.
- Subtract it from the original: 24 − 3.6 = 20.4.
- 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 24 × 0.85 = 20.4 in one step.
Frequently asked questions
24 decreased by 15 percent
24 decreased by 15% = 20.4.
How is it calculated?
See the step-by-step solution above — it uses the standard percentage formula.
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