21 percent of what number is 15?
15 is 21% of 71.43
Steps to solve "15 is 21 percent of what number?"
- We have, 21% × x = 15
- or, 21100 × x = 15
- Multiplying both sides by 100 and dividing both sides by 21,
we have x = 15 × 10021 - x = 71.43
If you are using a calculator, simply enter 15×100÷21, which will give you the answer.
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