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210 percent of what number is 21?

21 is 210% of 10

Steps to solve "21 is 210 percent of what number?"

  1. We have, 210% × x = 21
  2. or, 210/100 × x = 21
  3. Multiplying both sides by 100 and dividing both sides by 210,
    we have x = 21 × 100/210
  4. x = 10

    If you are using a calculator, simply enter 21×100÷210, which will give you the answer.

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