75 decreased by 90% = 7.5
75 decreased by 90 percent is 7.5. Step-by-step solution with the formula and worked example.
75 decreased by 90% = 7.5
decreased by %
Solution: 75 decreased by 90 percent
Decrease = 90% × 75 = 67.5
Result = 75 − 67.5 = 7.5
Result = 75 − 67.5 = 7.5
Step-by-step explanation
- Find the decrease: 90% of 75 = 67.5.
- Subtract it from the original: 75 − 67.5 = 7.5.
- 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 75 × 0.1 = 7.5 in one step.
Frequently asked questions
75 decreased by 90 percent
75 decreased by 90% = 7.5.
How is it calculated?
See the step-by-step solution above — it uses the standard percentage formula.
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