Respuesta :

Aliecats16

Answer:

n=0.64

Step-by-step explanation:

Use the inverse opperation.

You have to divide 0.4 by 5/8. Since 5/8 is equal to 0.625, you divide 0.4 by 0.625, which equals 0.64.

To check over, you put 0.64 into the equation. 0.64x0.625=0.4