Respuesta :

Step-by-step explanation:

7 out of 20 marbles are blue

1-7/20= 13 out of 20 marbles not blue

13/20=0.65

Answer:

C) 0.65 (65%)

Step-by-step explanation:

Divide: 13 ÷ 20

This is the chance that drawing one marble, the color will not be blue.