Answers

21 of 3990 is 0.53%

Steps to solve "what percent is 21 of 3990?"

1. 21 of 3990 can be written as:
   21/3990
2. To find percentage, we need to find an equivalent fraction with denominator 100. Multiply both numerator & denominator by 100
   
   21/3990 × 100/100
3. = (21 × 100/3990) × 1/100 = 0.53/100
4. Therefore, the answer is 0.53%

   If you are using a calculator, simply enter 21÷3990×100 which will give you 0.53 as the answer.

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