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40 percent of what number is 30?

30 is 40% of 75

Reference: Percentage Calculator

Working out percentages

  1. We have, 40% × x = 30
  2. or, 40/100 × x = 30
  3. Multiplying both sides by 100 and dividing both sides by 40,
    we have x = 30 × 100/40
  4. x = 75

    If you are using a calculator, simply enter 30×100÷40, which will give you the answer.

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