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31 percent of what number is 40?

40 is 31% of 129.03

Reference: Percentage Calculator

Working out percentages

  1. We have, 31% × x = 40
  2. or, 31/100 × x = 40
  3. Multiplying both sides by 100 and dividing both sides by 31,
    we have x = 40 × 100/31
  4. x = 129.03

    If you are using a calculator, simply enter 40×100÷31, which will give you the answer.

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