80 decreased by 15% = 68
80 decreased by 15 percent is 68. Step-by-step solution with the formula and worked example.
80 decreased by 15% = 68
decreased by %
Solution: 80 decreased by 15 percent
Decrease = 15% × 80 = 12
Result = 80 − 12 = 68
Result = 80 − 12 = 68
Step-by-step explanation
- Find the decrease: 15% of 80 = 12.
- Subtract it from the original: 80 − 12 = 68.
- 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 80 × 0.85 = 68 in one step.
Frequently asked questions
80 decreased by 15 percent
80 decreased by 15% = 68.
How is it calculated?
See the step-by-step solution above — it uses the standard percentage formula.
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