Respuesta :

hajora03

Answer:

there are 8 prime numbers before 20

Step-by-step explanation:

forty percent of 20 is:

40% × 20=

[tex]\frac{40}{100}[/tex]×20= 8

so the number of whole prime numbers before 20 are 8.

They are:

2,3,5,7,11,13,17,19.

juju4453

Answer:

8

Step-by-step explanation: