150 decreased by 90% = 15
150 decreased by 90 percent is 15. Step-by-step solution with the formula and worked example.
150 decreased by 90% = 15
decreased by %
Solution: 150 decreased by 90 percent
Decrease = 90% × 150 = 135
Result = 150 − 135 = 15
Result = 150 − 135 = 15
Step-by-step explanation
- Find the decrease: 90% of 150 = 135.
- Subtract it from the original: 150 − 135 = 15.
- Shortcut: multiply by (1 − 90/100) = ×0.1.
Good to know
Shortcut: decreasing by 90% is the same as multiplying by 0.1 (that is 100% − 90%). So 150 × 0.1 = 15 in one step.
Frequently asked questions
150 decreased by 90 percent
150 decreased by 90% = 15.
How is it calculated?
See the step-by-step solution above — it uses the standard percentage formula.
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