800 increased by 9% = 872
800 increased by 9 percent is 872. Step-by-step solution with the formula and worked example.
800 increased by 9% = 872
increased by %
Solution: 800 increased by 9 percent
Increase = 9% × 800 = 72
Result = 800 + 72 = 872
Result = 800 + 72 = 872
Step-by-step explanation
- Find the increase: 9% of 800 = 72.
- Add it to the original: 800 + 72 = 872.
- Shortcut: multiply by (1 + 9/100) = ×1.09.
Good to know
Shortcut: increasing by 9% is the same as multiplying by 1.09 (that is 100% + 9%). So 800 × 1.09 = 872 in a single step — handy for adding tax, interest or a markup.
Frequently asked questions
800 increased by 9 percent
800 increased by 9% = 872.
How is it calculated?
See the step-by-step solution above — it uses the standard percentage formula.
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