150 decreased by 9% = 136.5
150 decreased by 9 percent is 136.5. Step-by-step solution with the formula and worked example.
150 decreased by 9% = 136.5
decreased by %
Solution: 150 decreased by 9 percent
Decrease = 9% × 150 = 13.5
Result = 150 − 13.5 = 136.5
Result = 150 − 13.5 = 136.5
Step-by-step explanation
- Find the decrease: 9% of 150 = 13.5.
- Subtract it from the original: 150 − 13.5 = 136.5.
- Shortcut: multiply by (1 − 9/100) = ×0.91.
Good to know
Shortcut: decreasing by 9% is the same as multiplying by 0.91 (that is 100% − 9%). So 150 × 0.91 = 136.5 in one step.
Frequently asked questions
150 decreased by 9 percent
150 decreased by 9% = 136.5.
How is it calculated?
See the step-by-step solution above — it uses the standard percentage formula.
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