Question

1. What is the percentage of prime numbers in the numbers from 1 to 20​

Answer 1

Explanation:

answer

is

above

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Answer 2

Prime numbers between 1 and 20 are

2 3 5 7 11 13 17 19

So percentage of prime numbers=(total number of prime numbers)*100÷(total number of numbers from 1 to 20)

So percentage of prime numbers from 1 to 20 = 8*100÷20= 40%