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90 is what percent of 20?

Instant answer with step-by-step formula

90 is what percent of 20 = 450%
(90 ÷ 20) × 100 = 450%

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Step-by-step explanation

  1. Write the formula: (Part ÷ Whole) × 100
  2. Substitute the values: (90 ÷ 20) × 100
  3. Divide: 4.5 × 100
  4. Multiply by 100: 450%

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