Question

percentage of prime number in between 1 to 20

Answer 1

$2 + 3 + 5 + 7 + 11 + 13 + 17 + 19 \\ \\ 10 + 18 + 30 + 19 \\ \\ 40 + 18 + 19 \\ \\ 40 + 37 \\ \\ \huge 77 \\ \\ \huge \: 77\%$

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Answer 2

Answer:

2, 3, 5, 7, 11, 13, 17, 19 are prime numbers from 1 to 20

Percentage of prime numbers in the numbers from  1  to  20  

=8/20×100  

=8×5  

=40%