800 decreased by 10% = 720
800 decreased by 10 percent is 720. Step-by-step solution with the formula and worked example.
800 decreased by 10% = 720
decreased by %
Solution: 800 decreased by 10 percent
Decrease = 10% × 800 = 80
Result = 800 − 80 = 720
Result = 800 − 80 = 720
Step-by-step explanation
- Find the decrease: 10% of 800 = 80.
- Subtract it from the original: 800 − 80 = 720.
- Shortcut: multiply by (1 − 10/100) = ×0.9.
Good to know
Shortcut: decreasing by 10% is the same as multiplying by 0.9 (that is 100% − 10%). So 800 × 0.9 = 720 in one step.
Frequently asked questions
800 decreased by 10 percent
800 decreased by 10% = 720.
How is it calculated?
See the step-by-step solution above — it uses the standard percentage formula.
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