How to solve
Translate the sentence into part = (p/100) · whole and solve for the whole.
Steps
- Write the percent as a fraction over 100.
- Set part = (p/100) · whole.
- Divide the part by that fraction.
Example
30% of what number is 12?
- 12 = 0.30 · w.
- w = 12 ÷ 0.30 = 40.
Answer: 40
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